The Bearing,sleeve, cataloged under National Stock Number 3120-01-481-2480, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Beemer Precision Inc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-481-2480 |
| Primary Part Number | S-901-6 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Beemer Precision Inc |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Body Outside Diameter | 0.9420 INCHES NOMINAL IN |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Body Inside Diameter | 0.7520 INCHES NOMINAL IN |
| Material | COPPER ALLOY OVERALL |
| 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 |
|---|---|
| S-901-6 PRIMARY | Beemer Precision Inc (USA) |
| Reference | Meaning |
|---|---|
| 123-5680561 | D/9 Drawing number reference only Naval Sea Systems Command |
| 123-1680562 PC 5 | 5/1 Secondary reference Naval Sea Systems Command |
| 123-1680561 PC 5 | 5/1 Secondary reference Naval Sea Systems Command |
| 123-5680562 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3120-01-481-2480 is a Bearing,sleeve, manufactured by Beemer Precision Inc, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-481-2480 has 1 manufacturer part number on file: S-901-6 (Beemer Precision Inc).
1 possible match (shared part number, not a government interchangeability claim): 3120-01-481-3144. Verify interchangeability with system specifications before substitution.
Key specifications for S-901-6: Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 0.9420 INCHES NOMINAL IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Overall Length: 1.5000 INCHES NOMINAL IN. 5 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.