The Bearing,sleeve, cataloged under National Stock Number 3120-00-540-8564, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-00-540-8564 |
| Primary Part Number | 3774C1 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| Status | ACTIVE |
| Corner Shape | CHAMFERED ALL CORNERS |
| Body Outside Diameter | 4.2475 INCHES MINIMUM AND 4.2480 INCHES MAXIMUM IN |
| Style Designator | SEGMENTED, PLAIN, NO OUTSIDE FLANGES |
| Material Document and Classification | SPEC 483,INGERSOLL-RAND CO. MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 3.7520 INCHES MINIMUM AND 3.7525 INCHES MAXIMUM IN |
| Lubricant Accommodation Style | GROOVED CIRCULAR |
| Antirotation/lubrication Type and Quantity | 4 HOLE |
| Material | LUBRICANT LUBRICATION |
| Material | ALUMINUM OVERALL |
| Hole Diameter | 0.2500 INCHES NOMINAL FIRST IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 182956PC17 | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| 3774C1 PRIMARY | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| Reference | Meaning |
|---|---|
| 182956PC17 | 5/9 Secondary reference Ingersoll Rand Co |
| 3774C1 | 3/9 Design control — primary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 182956PC17 | 5/9 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions |
| 182956PC17 | 5/9 Secondary reference U.S. Government activity |
| 3774C1 | 5/9 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions |
| 3774C1 | 5/9 Secondary reference Ingersoll Rand Co |
| 3774C1 | 5/9 Secondary reference U.S. Government activity |
| 182956PC17 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
NSN 3120-00-540-8564 is a Bearing,sleeve, manufactured by Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-00-540-8564 has 2 manufacturer part numbers on file: 182956PC17 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions), 3774C1 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions).
Key specifications for 3774C1: Corner Shape: CHAMFERED ALL CORNERS; Body Outside Diameter: 4.2475 INCHES MINIMUM AND 4.2480 INCHES MAXIMUM IN; Style Designator: SEGMENTED, PLAIN, NO OUTSIDE FLANGES; Material Document and Classification: SPEC 483,INGERSOLL-RAND CO. MFR REF SINGLE MATERIAL RESPONSE OVERALL. 10 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.