The Bolt,shear, cataloged under National Stock Number 5306-01-191-6277, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Hi-Shear Corporation. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Bolt,shear |
| FSC / FSG | 5306 — Bolts (FSG 53) |
| Manufacturers | Howmet Global Fastening Systems Inc (CAGE 06950); Hi-Shear Corporation (CAGE 73197); Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (CAGE 06725); Valley-Todeco, Inc. Dba Arconic Fastening Systems (CAGE 06710); Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAGE L4528) |
| Parameter | Value |
|---|---|
| NSN | 5306-01-191-6277 |
| Primary Part Number | MB156-5-38 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 921041-5-38 | Howmet Global Fastening Systems Inc (USA) |
| MB156-5-38 PRIMARY | Hi-Shear Corporation (USA) |
| AIC763-5-38 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| VFK600-5-38 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| MB156-5-38 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| VS3190-5-38 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 921041-5-38 | 7/2 Vendor item drawing reference Lockheed Martin Corp Electronics and Missiles Div |
| 921041-5 | 5/9 Secondary reference Lockheed Martin Corp Electronics and Missiles Div |
| VS3190-5-38 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-191-6277 is a Bolt,shear, manufactured by Hi-Shear Corporation, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-191-6277 has 6 manufacturer part numbers on file: 921041-5-38 (Howmet Global Fastening Systems Inc), MB156-5-38 (Hi-Shear Corporation), AIC763-5-38 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), VFK600-5-38 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), MB156-5-38 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc) and 1 more.
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.