The Bolt,machine, cataloged under National Stock Number 5306-01-554-3518, is classified within Federal Supply Class 5306 (Bolts) 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 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5306-01-554-3518 |
| Primary Part Number | ST3M731-4-14 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| MB251-4-14 | Hi-Shear Corporation (USA) |
| 111364-4-14 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| SC2663-4-14 | Howmet Global Fastening Systems Inc (USA) |
| PBF1264-4-14 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| MB251-4-14 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| ST3M731-4-14 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| VS207-4-14 | 5/2 Secondary reference U.S. Government activity |
| VS3207-4-14 | 3/2 Design control — primary reference U.S. Government activity |
| 801651-4-14 | 5/9 Secondary reference Sps Technologies Inc |
NSN 5306-01-554-3518 is a Bolt,machine, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-554-3518 has 6 manufacturer part numbers on file: MB251-4-14 (Hi-Shear Corporation), 111364-4-14 (Sps Technologies Ltd, Tj Brooks Division), SC2663-4-14 (Howmet Global Fastening Systems Inc), PBF1264-4-14 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), MB251-4-14 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc) and 1 more.
Key specifications for ST3M731-4-14: Criticality Code Justification: AGAV; Part Name Assigned by Controlling Agency: BOLT,MACHINE,AIRCRAFT; End Item Identification: F-18 E/F FIGHTER AIRCRAFT. 1 specification is documented in the U.S. Government catalog.
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.