The Bearing,washer,thrust, cataloged under National Stock Number 3120-01-281-9121, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Appleton 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,washer,thrust |
| FSC / FSG | 3120 — Bearings, Plain, Unmounted (FSG 31) |
| Manufacturers | Appleton Marine Inc (CAGE 70433) |
| Parameter | Value |
|---|---|
| NSN | 3120-01-281-9121 |
| Primary Part Number | B-5543 |
| Item Name | Bearing,washer,thrust |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Appleton Marine Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| B-5543 PRIMARY | Appleton Marine Inc (USA) |
NSN 3120-01-281-9121 is a Bearing,washer,thrust, manufactured by Appleton Marine Inc, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-281-9121 has 1 manufacturer part number on file: B-5543 (Appleton Marine Inc).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-547-0508. 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.