The Bolt,shear, cataloged under National Stock Number 5306-01-596-6872, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Hi-Shear Corporation. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-596-6872 |
| Primary Part Number | BACB30NM5K23 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Head Height | 0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN |
| Fastener Length | 0.954 INCHES MINIMUM AND 0.984 INCHES MAXIMUM IN |
| Thread Length | 0.469 INCHES NOMINAL IN |
| Material Document and Classification | AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | DISHED HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.428 INCHES MINIMUM AND 1.448 INCHES MAXIMUM IN |
| Width Between Flats | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| Grip Diameter | 0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Surface Treatment | ALUMINUM OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| BACB30NM5K23 | Hi-Shear Corporation (USA) |
| BACB30NM5K23 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| BACB30NM5K23 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30NM5K23 | Howmet Global Fastening Systems Inc (USA) |
| BACB30NM5K23 | Huck International, Inc (USA) |
| BACB30NM5K23 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| BACB30NM5K23 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30NM5K23 | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| Reference | Meaning |
|---|---|
| BACB30NM5K23 | 5/9 Secondary reference Sps Technologies Inc |
| BACB30NM5K23 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-596-6872 is a Bolt,shear, manufactured by Hi-Shear Corporation, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-596-6872 has 8 manufacturer part numbers on file: BACB30NM5K23 (Hi-Shear Corporation), BACB30NM5K23 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), BACB30NM5K23 (Sps Technologies, Llc Dba PB Fasteners), BACB30NM5K23 (Howmet Global Fastening Systems Inc), BACB30NM5K23 (Huck International, Inc) and 3 more.
Key specifications for BACB30NM5K23: Head Height: 0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN; Fastener Length: 0.954 INCHES MINIMUM AND 0.984 INCHES MAXIMUM IN; Thread Length: 0.469 INCHES NOMINAL IN; Material Document and Classification: AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 16 specifications are 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.