Catalogues

Mycom 2520C, Screw compressor, Open

Use this catalogue to identify the spare parts you need to repair your compressor. The OEM catalogue is crossreferenced with our spare parts database, matched items are highlighted. Some of our existing spare parts may not be shown because our database is incomplete (e.g. missing OEM P/N), or because we sell the items separatelly (typical example is the piston-connecting rod assembly). If you have any doubt please ask us.

All OEM manufacturer's names, part numbers, diagrams, products description and information are provided for reference and identification purposes only, and it is not implied that any part listed is the product of the OEM manufacturer.

Item num.Ralco P/NOEM P/NDescription (from OEM manufacturer)Add
1-1CS00100250LMain Rotor Casing (1) (250L**).
1-1CS00100250MMain Rotor Casing (1) (250M**).
1-1CS00100250SMain Rotor Casing (1) (250S**).
1-2CS00100200LMain Rotor Casing (2) (200L**).
1-2CS00100200MMain Rotor Casing (2) (200M**).
1-2CS00100200SMain Rotor Casing (2) (200S**).
2-1BLTCMA20X060NB35420060Hexagon Socket Head Cap Screw (M20x60).
2-2NB35416050Hexagon Socket Head Cap Screw (M16x50).
3-1PINMYS250003NE2016070Alignment Pin (Φ16x70).
3-2PINMYS200003NE2016055Alignment Pin (Φ16x55).
4-1NB60030Eye Bolt (M30).
4-2NB60024Eye Bolt (M24).
5-1CS005002520C1Suction Cover (1) (2520**C).
5-2CS005002520C2Suction Cover (2) (2520**C).
6-1CS00600250NGasket, Suction Cover (1) (250***).
6-2CS00600200NGasket, Suction Cover (2) (200***).
7-1NB60012Eye Bolt (M12).
7-2NB60012Eye Bolt (M12).
8-1DWLCM6X12
NE3206012Spring Pin (1) (Φ6x12).
8-2DWLCM6X12
NE3206012Spring Pin (2) (Φ6x12).
9RNGMYS200059
PA11040O-ring (JIS B 2401 P40).
10-1ANF0615Plug (R1/2).
10-1BNF0610Plug (R3/8).
10-2NF06008Plug (R1/4).
11-1CS011002520C1Bearing Head (1) (2520**C).
11-2CS011002520C2Bearing Head (2) (2520**C).
12-1CS01200250NGasket, Bearing Head (1) (250***).
12-2CS01200200NGasket, Bearing Head (2) (200***).
13-1NB60036Eye Bolt (M36).
13-2NB60036Eye Bolt (M36).
14-1DWLCM6X12
NE3206012Spring Pin (Φ6x12).
14-2DWLCM6X12
NE3206012Spring Pin (Φ6x12).
15-1NF06020Plug (R3/4).
16CS016002520CBearing Cover (2520**C).
17-1CS017002520C1NGasket, Bearing Cover (1) (2520**C).
17-2CS017002520C2NGasket, Bearing Cover (2) (2520**C).
18-1NB35416050Hexagon Socket Head Cap Screw (M16x50).
18-2BLTCMA20X060NB35420060Hexagon Socket Head Cap Screw (M20x60).
19-1PINCY10X50NE2010050Alignment Pin (Φ10x50).
19-2PINMYS250003NE2016070Alignment Pin (Φ16x70).
20DWLCM3X10
NE3203010Spring Pin (Φ3x10).
21NF06004Plug (R1/8).
22CS022002520CBalance Piston Cover (2520**C).
23CS023002520CNGasket, Balance Piston Cover (2520**C).
24NB35416050Hexagon Socket Head Cap Screw (M16x50).
25-1NAMale Rotor (1) (2520L*C).
26-1NAFemale Rotor (1).
25-1NAMale Rotor (1) (2520M*C).
25-1NAMale Rotor (1) (2520S*C).
25-2NAMale Rotor (2) (2520*LC).
26-2NAFemale Rotor (2).
25-2NAMale Rotor (2) (2520*MC).
25-2NAMale Rotor (2) (2520*SC).
27-1BRGMYS250027
CS0270FRTMain Bearing (1) (250*** with O-ring).
27-2BRGMYS200027
CS0270ERTMain Bearing (2) (200*** with O-ring).
28-1BRGMYS250028
CS0280FRTSide Bearing (1) (250*** with O-ring).
28-2BRGMYS200028
CS0280ERTSide Bearing (2) (200*** with O-ring).
29-1SNPCMIX160NG11160Snap Snap Ring (1) C type internal (H160).
29-2SNPCMIX130
NG11130Snap Ring (2) C type internal (H130).
30CS030002520CBalance Piston (2520**C).
31KEYMYS200031CS03100200Key, Balance Piston (200***).
32NG12065Snap Ring C type external (S65).
33CS033002520CSleeve, Balance Piston (2520**C).
34NA83608015Set Screw (M8x15).
35PA11140O-ring (JIS B 2401 P140).
37SNPCMIX150NG11150Snap Ring C type internal (H150).
38-1BRGMYS250038CS03800250PThrust Bearing (1) (7317B PPS).
38-2CS03800200PThrust Bearing (2) (7313B PPS).
39-1LCKCMKM17
NG31017Lock Nut (1) (AN17).
39-2LCKCMKM13
NG31013Lock Nut (2) (AN13).
40-1NG32017Lock Washer (1) (AW17).
40-2LCKCMMB13
NG32013Lock Washer (2) (AW13).
41-2SPCMYS200041
CS04100200Spacer, Thrust Bearing Outer Race (2) (200***).
42-1CS04200B250Spacer, Thrust Bearing Alignment (1) (250***).
42-2SHMMYS200042
CS04200200Spacer, Thrust Bearing Alignment (2) (200***).
43-1CS04300250SThrust Bearing Gland (1) (250***).
43-2ACS04300200SThrust Bearing Gland (2) A (200***).
43-2BCS043002520C2BThrust Bearing Gland (2) B (2520**C).
43-2CCS043002520C2CThrust Bearing Gland (2) C (2520**C).
43-2DCS043002520C2DThrust Bearing Gland (2) D (2520**C).
45-1NB111016045Hexagon Head Bolt (M16x45).
45-2BLTCMA12X035
NB111012035Hexagon Head Bolt (M12x35).
46-1SPGCMW16
ND150016Conical Spring Washer (1) (250***).
46-1SPGCMW16
CS0469FLock Washer (1) Set (old, plate type) (250*** 8ps/set).
46-2LCKMYS200046
ND150012Conical Spring Washer (2) (200***).
46-2LCKMYS200046
CS0469ELock Washer (2) Set (old, plate type) (200*** 8ps/set).
48CS04800250VDSRetainer, Oil Seal (250V***).
49RNGSTS439
PA12135O-ring (JIS B 2401 G135).
50CS05010250VDOil Seal (SA1J 75x100x13).
51CS05102250Seal Cover (250***).
52GKTMYS250017VCS05200250NGasket, Seal Cover (250***).
53BLTCMA12X030NB35412030Hexagon Socket Head Cap Screw (M12x30).
54-1CS054002520Unloader Slide Valve (1-1) (L Port) (2520LSC).
54-1NAUnloader Slide Valve (1-1) (M Port) (2520LSC).
54-1NAUnloader Slide Valve (1-1) (L Port) (2520MSC).
54-1NAUnloader Slide Valve (1-1) (M Port) (2520MSC).
54-1NAUnloader Slide Valve (1-1) (L Port) (2520SSC).
54-1NAUnloader Slide Valve (1-1) (M Port) (2520SSC).
54-2NAUnloader Slide Valve (1-2) (L Port) (2520LSC).
54-2NAUnloader Slide Valve (1-2) (M Port) (2520LSC).
54-2NAUnloader Slide Valve (1-2) (L Port) (2520LMC).
54-2NAUnloader Slide Valve (1-2) (M Port) (2520LMC).
54-2NAUnloader Slide Valve (1-2) (L Port) (2520SLC).
54-2NAUnloader Slide Valve (1-2) (M Port) (2520SLC).
55-1NAUnloader Slide Valve (2-1) (250L**).
55-1NAUnloader Slide Valve (2-1) (250M**).
55-1NAUnloader Slide Valve (2-1) (250S**).
55-2NAUnloader Slide Valve (2-2) (200L**).
55-2NAUnloader Slide Valve (2-2) (200M**).
55-2NAUnloader Slide Valve (2-2) (200S**).
58-1BLTCMA6X040
NB35412040Hexagon Socket Head Cap Screw (M12x40).
58-2NB35410030Hexagon Socket Head Cap Screw (M10x30).
59RNG70023
PA11026O-ring (JIS B 2401 P26).
60-1CS060002520C1Unloader Cylinder (1) (2520LSC).
60-2CS060002520C2Unloader Cylinder (2) (2520LSC).
60-2CS060002520SLCUnloader Cylinder (2) (2520SLC).
61-1NB35416140Hexagon Socket Head Cap Screw (M16x140).
61-2NB35412090Hexagon Socket Head Cap Screw (M12x90).
63-1RNGSTS531PA12150O-ring (JIS B 2401 G150).
63-2RNGSTS531PA12150O-ring (JIS B 2401 G150).
64-1CS064002520TUnloader Piston (1) (2520**C).
64-2CS06400200TUnloader Piston (2) (200***).
65-1RNGMYS200065
PA11125O-ring (JIS B 2401 P125).
65-2RNGMYS200065
PA11125O-ring (JIS B 2401 P125).
66-1RNGMYS200066
CS06600200Cap Seal (200*** BE125).
66-2RNGMYS200066
CS06600200Cap Seal (200*** BE125).
67-1CS067002520C1Push Rod, Unloader Slide Valve (1) (2520LSC).
67-2CS067002520C2Push Rod, Unloader Slide Valve (2) (2520LSC).
67-2CS067002520SLCPush Rod, Unloader Slide Valve (2) (2520LMC).
67-2CS067002520C2Push Rod, Unloader Slide Valve (2) (2520SLC).
68-1NE2505012Guide Pin (Φ5x12).
68-2NE2505012Guide Pin (Φ5x12).
69-1LCKCMKM08
NG31008Lock Nut (1) (AN08).
69-2LCKCMKM07
NG31007Lock Nut (2) (AN07).
70-1LCKCMMB08
NG32008Lock Washer (1) (AW08).
70-2LCKCMMB07
NG32007Lock Washer (2) (AW07).
71-1LCKCMKM08
NG31008Lock Nut (1) (AN08).
71-2LCKCMKM07
NG31007Lock Nut (2) (AN07).
72-1LCKCMMB08
NG32008Lock Washer (1) (AW08).
72-2LCKCMMB07
NG32007Lock Washer (2) (AW07).
73-1RNGMYS250073
PA12035O-ring (JIS B 2401 G35).
73-2RNGMYS200073
PA12030O-ring (JIS B 2401 G30).
74-1CS07460200Unloader Cover (1) (200***).
74-2CS07400200SUnloader Cover (2) (200***).
75RNGSTS439
PA12135O-ring (JIS B 2401 G135).
76NB35410025Hexagon Socket Head Cap Screw (M10x25).
77-1CS077002520CIndicator Cam (1) (2520LSC).
77-1CS07700200SIndicator Cam (1) (2520MSC).
77-1CS077002520SSCIndicator Cam (1) (2520SSC).
77-2CS07700200LIndicator Cam (2) (200L**).
77-2CS07700200MIndicator Cam (2) (200M**).
77-2CS07700200SIndicator Cam (2) (200S**).
78BRGMYS078
CS07800200Ball Bearing (#6000).
79SNPCMEX010
NG12010Snap Ring C type external (S10).
80CS08000200Bearing Gland (200***).
81BLTCMA6X015NB35406015Hexagon Socket Head Cap Screw (M6x15).
82RNGMYS082CS08200200BV-ring (VH10 NBR).
83SPGMYS083
CS08300200Spring (200***).
84CS08400200Retainer, Indicator Cam Spring (200***).
85CS08500250LUKOil Injection Pipe (250L**).
85CS085002520USCOil Injection Pipe (2520MSC).
85CS085002520SSKOil Injection Pipe (2520SSC).
86RNGSTS406PA12025O-ring (JIS B 2401 G25).
87-1NAGuide Block (1) (250***).
88-1CS08700250Stem, Guide Block (1).
87-2NAGuide Block (2) (200***).
88-2CS08700200Stem, Guide Block (2).
89PA11020O-ring (JIS B 2401 P20).
91CS09100250Shaft Key (250***).
92-1CS71300250MKSuction Flange (1) with hole (JIS 20K 250A(10")).
92-1CS71300P250Suction Flange (1) without hole (JIS 20K 250A(10")).
92-2CS71300150MKSuction Flange (2) with hole (JIS 20K 150A(6")).
92-2CS71300P150Suction Flange (2) without hole (JIS 20K 150A(6")).
93-1CS71200250NGasket, Suction Flange (1) (JIS 20K 250A(10")).
93-2CS71200150NGasket, Suction Flange (2) (JIS 20K 150A(6")).
94-1NB12024065Hexagon Head Bolt (M24x65).
94-2BLTCMA22X055NB12022055Hexagon Head Bolt (M22x55).
95-1CS71300150MKDischarge Flange (1) with hole (JIS 20K 150A(6")).
95-1CS71300P150Discharge Flange (1) without hole (JIS 20K 150A(6")).
95-2CS71300100MKDischarge Flange (2) with hole (JIS 20K 100A(4")).
95-2CS71300P100Discharge Flange (2) without hole (JIS 20K 100A(4")).
96-1CS71200150NGasket, Discharge Flange (1) (JIS 20K 150A(6")).
96-2CS71200100NGasket, Discharge Flange (2) (JIS 20K 100A(4")).
97-1BLTCMA22X055NB12022055Hexagon Head Bolt (M22x55).
97-2NB12020055Hexagon Head Bolt (M20x55).
100CS10000250BEMechanical Seal Assembly (BOS-E1) (250V** BOS).
100SELMYS250
CS10002250EBSMechanical Seal Assembly (BBSE) (BBS-E).
100CS10001250BBSMechanical Seal Assembly (BBS3) (BBS3).
120-1CS12000200FUnloader Indicator Assembly (1) (200***).
120-2CS120002016Unloader Indicator Assembly (2) (2016C(2) 20-100 %).
125CS12500200Micro-Switch (200*** Z15GW).
127-1CS12700200FMicro-Switch Cam (1) (200*** 0-100 %).
127-2CS12700201620Micro-Switch Cam (2) (2016C(2) 20-100 %).
128BLTCMA4X005NA83604005Set Screw, Bevel Gear (M4x5).
129CS1299E10Potentiometer 200-1k (with lead wire).
137-1CS13700200Indicator Dial (1) (200***).
137-2CS137002016Indicator Dial (2) (2016C(2) 20-100 %).
NICS1519LGear Coupling Assembly (new) (151+152+153+159).
151CS1519LDriven Sleeve.
152NADrive Hub (same as old and new type).
153CS154002520CDriven Hub (Old part of coupling).
154NAStopper, Drive Sleeve (Old part of coupling).
155NAStop Ring (Old part of coupling).
157CS157002520CHKey, Driven Hub (FRS-110).
158CS158002520CHKey, Drive Hub (FRS-110).
159NA83612020Set Screw (M12x20 knurled, with anti-loosening).
160LCKCMKM13
NG31013Lock Nut (AN13).
161LCKCMMB13
NG32013Lock Washer (AW13).
162NB35412045Hexagon Socket Head Cap Screw (M12x45).
163RNGMYS250073
PA12035O-ring (JIS B 2401 G35).
164CS164002520CRetainer, Oil Injection Pipe (2520LSC).
165RNGMYS200073
PA12030O-ring (JIS B 2401 G30).
166NB35408030Hexagon Socket Head Cap Screw (M8x30).
168CS168002520CPipe Guide, Oil Injection (2520LSC).
197RNG45067PA11050O-ring (JIS B 2401 P50).
200CS200002520CFixture Ass'y, Unloader Indicator (1) (2520LSC(1)).
200ACS200002520CAFixture, Unloader Indicator (A) (2520LSC).
200BCS200002520CBFixture, Unloader Indicator (B) (2520LSC).
201CS201001612C9Bevel Gear (1) (1612LSC (Φ9)).
202CS201001612C6Bevel Gear (2) (1612LSC (Φ6)).
206CS206001612Glass Gland, Unloader Indicator (1612LSC).
208CS122002520Shaft, Unloader Indicator (2520LSC).
208ASNPCMEX010
NG12010Snap Ring, Unloader Indicator Shaft (S10 C type external).
208BCS16460200Bearing, Unloader Indicator Shaft (#6000LL).
210NB35405015Cross-recessed and Pan Head Screw (M5x15).
212ANB35405030Hexagon Socket Head Cap Screw (M8x30).
212BNB35408095Hexagon Socket Head Cap Screw (M8x95).
212CNB35408020Hexagon Socket Head Cap Screw (M8x20).
212DLCKMYS125046
ND320008Spring Washer (For M8).
215-1CS71300025Flange, Lubricating Oil Supply (1) without hole (JIS 20K 25A(1")).
215-2CS71300020Flange, Lubricating Oil Supply (2) without hole (JIS 20K 20A(3/4")).
216-1CS71200025NGasket, Lubricating Oil Supply Flange (1) (JIS 20K 25A(1")).
216-2CS71200020NGasket, Lubricating Oil Supply Flange (2) (JIS 20K 20A(3/4")).
217-1BLTCMA16X045
NB12016045Hexagon Head Bolt (M16x45).
217-2NB12012035Hexagon Head Bolt (M12x35).
218CS71300015Flange, Injection Oil Supply without hole (JIS 20K 15A(1/2")).
219CS71200015NGasket, Injection Oil Supply Flange (JIS 20K 15A(1/2")).
220BLTCMA12X035
NB111012035Hexagon Head Bolt (M12x35).
237-1WASMYS250237
CS23700250Torsional Slip Washer (1) (250***).
237-2WASMYS200237
CS23700200Torsional Slip Washer (2) (200***).
245SPGCMW12
ND33012Spring Washer (M12).
250-1WASMYS250250CS25000250Thrust Bearing Washer (1) (250***).
250-2WASMYS200250CS25000200Thrust Bearing Washer (2) (200***).
267-1SPGCMW12
ND33012Spring Washer, Hexagon Socket Head Cap Screw (M12).
267-2SPGCMW10ND33010Spring Washer, Hexagon Socket Head Cap Screw (M10).
278ACS278002520CACylinder Guide, Unloader (A) (2520LSC).
278BCS278002520LMSCylinder Guide, Unloader (B) (2520*MC, 2520*LC).
278BCS278002520SCylinder Guide, Unloader (B) (2520*SC).
279RNGSTS438PA12130O-ring (JIS B 2401 G130).
432-1RNGSTS438PA12130O-ring (JIS B 2401 G130).
432-2PA62022O-ring (Old JIS W 1516 G22) (AS568A-244).
433-1RNGSTS438PA12130O-ring (JISB2401 1A G130).
433-2PA62022O-ring (Old JIS W 1516 G22) (AS568A-244).
528CS52800250VDSleeve, Oil Seal (250V**).
528CS52809250VDSleeve with O-ring, Oil Seal (250V**).
529NA83606008Set Screw (M6x8).
605-1NF06020Plug (R3/4).
605-2NF06025Plug (R 1").
607NF06008Plug (R1/4).
744PA12070O-ring (JIS B 2401 G70).
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