The Bearing,sleeve, cataloged under National Stock Number 3120-01-321-6708, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Naval Sea Systems Command. 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. 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 | 3120-01-321-6708 |
| Primary Part Number | 5187525 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES RIGHT END SURFACE OF BODY |
| Surface Finish | 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY |
| Surface Finish | 32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY |
| Surface Finish | 63.0 MICROINCHES LEFT END SURFACE OF BODY |
| Corner Shape | SQUARE ALL CORNERS |
| Body Outside Diameter | 1.1200 INCHES MINIMUM AND 1.1210 INCHES MAXIMUM IN |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Material Document and Classification | QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 0.8775 INCHES MINIMUM AND 0.8785 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 932 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3120-01-321-6708 is a Bearing,sleeve, manufactured by Naval Sea Systems Command, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-321-6708 has 2 manufacturer part numbers on file: 5187525 (Naval Sea Systems Command), 5187525 (Raytheon Company).
1 possible match (shared part number, not a government interchangeability claim): 5995-01-580-9168. Verify interchangeability with system specifications before substitution.
Key specifications for 5187525: Surface Finish: 63.0 MICROINCHES RIGHT END SURFACE OF BODY; Surface Finish: 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY; Surface Finish: 32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY; Surface Finish: 63.0 MICROINCHES LEFT END SURFACE OF BODY. 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.