The Bearing,sleeve, cataloged under National Stock Number 3120-01-503-2913, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Naval Sea Systems Command. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 — Bearings, Plain, Unmounted (FSG 31) |
| Manufacturers | Naval Sea Systems Command (CAGE 53711) |
| Parameter | Value |
|---|---|
| NSN | 3120-01-503-2913 |
| Primary Part Number | 512-7108084-25 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| 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 |
|---|---|
| 512-7108084-25 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| H643-1702-25 | 5/2 Secondary reference U.S. Government activity |
| 512-7108084 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3120-01-503-2913 is a Bearing,sleeve, manufactured by Naval Sea Systems Command, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-503-2913 has 1 manufacturer part number on file: 512-7108084-25 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 4310-01-506-9295. Verify interchangeability with system specifications before substitution.
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.