The Bolt,shear, cataloged under National Stock Number 5306-01-521-3353, 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 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Bolt,shear |
| FSC / FSG | 5306 — Bolts (FSG 53) |
| Manufacturers | Hi-Shear Corporation (CAGE 73197); Huck International, Inc (CAGE 17446); Boeing Defence Australia Ltd (CAGE Z03F0); Boeing Defence Australia Ltd Div Defense, Space & Security (CAGE Z8T75); Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (CAGE 06725) |
| Parameter | Value |
|---|---|
| NSN | 5306-01-521-3353 |
| Primary Part Number | BACB30NN4K8 |
| 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 |
|---|---|
| BACB30NN4K8 | Hi-Shear Corporation (USA) |
| BACB30NN4K8 | Huck International, Inc (USA) |
| BACB30NN4K8 | Boeing Defence Australia Ltd (AUS) |
| BACB30NN4K8 | Boeing Defence Australia Ltd Div Defense, Space & Security (AUS) |
| BACB30NN4K8 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30NN4K8 | Blanc Aero Industrie Villefranche De Rouergue - Groupe Lisi Aerospace (FRA) |
| BACB30NN4K8 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30NN4K8 | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| Reference | Meaning |
|---|---|
| BACB30NN4K8 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-521-3353 is a Bolt,shear, manufactured by Hi-Shear Corporation, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-521-3353 has 8 manufacturer part numbers on file: BACB30NN4K8 (Hi-Shear Corporation), BACB30NN4K8 (Huck International, Inc), BACB30NN4K8 (Boeing Defence Australia Ltd), BACB30NN4K8 (Boeing Defence Australia Ltd Div Defense, Space & Security), BACB30NN4K8 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 3 more.
1 possible match (shared part number, not a government interchangeability claim): 5306-01-669-6610. Verify interchangeability with system specifications before substitution.
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.