The Bearing,sleeve, cataloged under National Stock Number 3120-00-661-7640, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Rolls-Royce Solutions America Inc. Government technical data includes 8 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through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3120-00-661-7640 |
| Primary Part Number | 5150318 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | CANCELLED |
| Corner Shape | SQUARE ALL CORNERS |
| Body Outside Diameter | 0.9450 INCHES MINIMUM AND 0.9480 INCHES MAXIMUM IN |
| Style Designator | SPLIT, PLAIN, NO OUTSIDE FLANGES |
| Body Inside Diameter | 0.8700 INCHES MINIMUM AND 0.8790 INCHES MAXIMUM IN |
| Antirotation/lubrication Type and Quantity | 1 HOLE |
| Material | STEEL OUTER LAYER |
| Material | COPPER ALLOY 932 INNER LAYER |
| Hole Diameter | 0.3281 INCHES NOMINAL FIRST IN |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5150318 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
| 1DD462 | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| PC5150318 | 5/9 Secondary reference Power Components (deutschland) Gmbh |
| K 5150318 | 5/9 Secondary reference Korody-Colyer Corp a Cr Industries Co |
| 5150318 | 5/9 Secondary reference General Motors Corp Rochester Products Div |
| B5150318 | 5/9 Secondary reference Federal-Mogul Corporation Dba Federal-Mogul Div Fp Diesel |
| A328088 | 5/9 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
| 3120006617640 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| 5328088 | 5/9 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
| 550318 | 5/9 Secondary reference General Motors Corp Oldsmobile Div |
| 1DD462 | 5/9 Secondary reference Oshkosh Corp |
| 5150318 | 5/9 Secondary reference General Motors Corp |
NSN 3120-00-661-7640 is a Bearing,sleeve, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 3120, Bearings, Plain, Unmounted. Status: cancelled.
NSN 3120-00-661-7640 has 2 manufacturer part numbers on file: 5150318 (Rolls-Royce Solutions America Inc), 1DD462 (Oshkosh Defense Llc).
2 possible matches (shared part number, not a government interchangeability claim): 5940-01-064-1450, 4820-01-486-4541. Verify interchangeability with system specifications before substitution.
Key specifications for 5150318: Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 0.9450 INCHES MINIMUM AND 0.9480 INCHES MAXIMUM IN; Style Designator: SPLIT, PLAIN, NO OUTSIDE FLANGES; Overall Length: 1.1875 INCHES NOMINAL IN. 8 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.
NSN 3120-00-661-7640 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.