The Retainer,nut and Bolt, cataloged under National Stock Number 5340-01-322-5650, 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. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-322-5650 |
| Primary Part Number | ST3M442-5D |
| Item Name | Retainer,nut and Bolt |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Specification/standard Data | 76301-ST3-442 MANUFACTURERS STANDARD |
| 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 |
|---|---|
| ST3M442-5D PRIMARY | The Boeing Company Div Defense (USA) |
| BFN442-5RT | Bristol Industries, Llc (USA) |
| F49251-5FB | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| NS202042-1-054 | 5/2 Secondary reference U.S. Government activity |
NSN 5340-01-322-5650 is a Retainer,nut and Bolt, manufactured by The Boeing Company Div Defense, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-322-5650 has 3 manufacturer part numbers on file: ST3M442-5D (The Boeing Company Div Defense), BFN442-5RT (Bristol Industries, Llc), F49251-5FB (Howmet Global Fastening Systems Inc).
Key specifications for ST3M442-5D: Specification/standard Data: 76301-ST3-442 MANUFACTURERS STANDARD. 1 specification is 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.