The Bearing,plain,spherical, cataloged under National Stock Number 3120-01-480-3129, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Smith-Berger Marine, Inc. The record lists 1 manufacturer part number 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.
| Item Name | Bearing,plain,spherical |
| FSC / FSG | 3120 — Bearings, Plain, Unmounted (FSG 31) |
| Manufacturers | Smith-Berger Marine, Inc (CAGE 15950) |
| Parameter | Value |
|---|---|
| NSN | 3120-01-480-3129 |
| Primary Part Number | B54377 |
| Item Name | Bearing,plain,spherical |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Smith-Berger Marine, Inc |
| 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 |
|---|---|
| B54377 PRIMARY | Smith-Berger Marine, Inc (USA) |
NSN 3120-01-480-3129 is a Bearing,plain,spherical, manufactured by Smith-Berger Marine, Inc, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-480-3129 has 1 manufacturer part number on file: B54377 (Smith-Berger Marine, Inc).
1 possible match (shared part number, not a government interchangeability claim): 7025-01-651-6931. 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.