The Bolt,machine, cataloged under National Stock Number 5306-01-253-6438, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Bolt,machine |
| FSC / FSG | 5306 — Bolts (FSG 53) |
| Manufacturers | Howmet Global Fastening Systems Inc (CAGE 06950); The Boeing Company Div Defense (CAGE 76301); Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (CAGE 27624); Hi-Shear Corporation (CAGE 73197); Sps Technologies Ltd, Tj Brooks Division (CAGE K5673) |
| Parameter | Value |
|---|---|
| NSN | 5306-01-253-6438 |
| Primary Part Number | ST3M731-4-1 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| 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 |
|---|---|
| ST3M731-4-1 | Howmet Global Fastening Systems Inc (USA) |
| ST3M731-4-1 PRIMARY | The Boeing Company Div Defense (USA) |
| PBF1264-4-1 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| ST3M731-4-1 | Hi-Shear Corporation (USA) |
| ST3M731-4-1 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| Reference | Meaning |
|---|---|
| ST3M731-4-1 | 5/9 Secondary reference Sps Technologies Inc |
| SC2663-4-1 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| MB251-4-1 | 5/9 Secondary reference Hi-Shear Corporation |
| ST3M731-4-1 | 5/2 Secondary reference U.S. Government activity |
| MB251-4-1 | 5/9 Secondary reference Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| VS3207-4-1 | 5/9 Secondary reference U.S. Government activity |
| ST3M731-4-1 | 5/9 Secondary reference J M Precision Inc |
| 111364-4-1 | 5/9 Secondary reference U.S. Government activity |
| ST3M731-4-1 | 5/9 Secondary reference U.S. Government activity |
| VS3207-4-1 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| 801651-4-1 | 5/9 Secondary reference Sps Technologies Inc |
NSN 5306-01-253-6438 is a Bolt,machine, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-253-6438 has 5 manufacturer part numbers on file: ST3M731-4-1 (Howmet Global Fastening Systems Inc), ST3M731-4-1 (The Boeing Company Div Defense), PBF1264-4-1 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), ST3M731-4-1 (Hi-Shear Corporation), ST3M731-4-1 (Sps Technologies Ltd, Tj Brooks Division).
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.