The Bearing,plain,self-, cataloged under National Stock Number 5340-01-479-2876, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-479-2876 |
| Primary Part Number | 4M371-26 |
| Item Name | Bearing,plain,self- |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 4M371-26 | New Hampshire Ball Bearings Inc Div Astro Division (USA) |
| ADSB26V4001 | New Hampshire Ball Bearings Inc Div Astro Division (USA) |
| 4M371-26 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| SWKN-26-003 | 5/2 Secondary reference U.S. Government activity |
NSN 5340-01-479-2876 is a Bearing,plain,self-, manufactured by The Boeing Company Div Defense, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-479-2876 has 3 manufacturer part numbers on file: 4M371-26 (New Hampshire Ball Bearings Inc Div Astro Division), ADSB26V4001 (New Hampshire Ball Bearings Inc Div Astro Division), 4M371-26 (The Boeing Company Div Defense).
Key specifications for 4M371-26: End Item Identification: FIGHTER AIRCRAFT - FIRST ( F18 E/F ). 0 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.