The Retainer,nut and Bolt, cataloged under National Stock Number 5340-01-138-0779, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Item Name | Retainer,nut and Bolt |
| FSC / FSG | 5340 — Hardware, Commercial (FSG 53) |
| Manufacturers | The Boeing Company Div Defense (CAGE 76301); Howmet Global Fastening Systems Inc (CAGE 15653) |
| Parameter | Value |
|---|---|
| NSN | 5340-01-138-0779 |
| Primary Part Number | F39669N4FB |
| Item Name | Retainer,nut and Bolt |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Howmet Global Fastening Systems Inc |
| 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 |
|---|---|
| ST3M542-4D | The Boeing Company Div Defense (USA) |
| F39669N4FB PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 10112694 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| RMF19427-1-04 | 5/9 Secondary reference Harvard Industries Inc |
| F9427-04 | 5/9 Secondary reference Harvard Industries Inc |
NSN 5340-01-138-0779 is a Retainer,nut and Bolt, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-138-0779 has 2 manufacturer part numbers on file: ST3M542-4D (The Boeing Company Div Defense), F39669N4FB (Howmet Global Fastening Systems Inc).
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.