The Bearing,sleeve, cataloged under National Stock Number 3120-01-179-5331, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is General Electric Company. Government technical data includes 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-179-5331 |
| Primary Part Number | 171A956P4 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY |
| Corner Shape | SQUARE ALL CORNERS |
| Body Outside Diameter | 1.8750 INCHES MINIMUM AND 1.8770 INCHES MAXIMUM IN |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Material Document and Classification | NO. 3,FSCM 71129 MFR REF SINGLE MATERIAL RESPONSE INNER LAYER |
| Material Document and Classification | NO. 9,FSCM 71129 MFR REF 1ST MATERIAL RESPONSE OR SAE ASSN STD 2ND MATERIAL RESPONSE OUTER LAYER |
| Body Inside Diameter | 1.2520 INCHES MINIMUM AND 1.2540 INCHES MAXIMUM IN |
| Material | COPPER ALLOY OR COPPER ALLOY 937 OUTER LAYER |
| Material | GRAPHITE INNER LAYER |
| 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 |
|---|---|
| 171A956P4 PRIMARY | General Electric Company (USA) |
| 7303E44 ITEM 67 | General Electric Company (USA) |
NSN 3120-01-179-5331 is a Bearing,sleeve, manufactured by General Electric Company, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-179-5331 has 2 manufacturer part numbers on file: 171A956P4 (General Electric Company), 7303E44 ITEM 67 (General Electric Company).
Key specifications for 171A956P4: Surface Finish: 63.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY; Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 1.8750 INCHES MINIMUM AND 1.8770 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES. 9 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.