The Bolt,shear, cataloged under National Stock Number 5306-01-522-9854, 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 21 specifications, cited from the U.S. Government catalog. The record lists 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5306-01-522-9854 |
| Primary Part Number | BACB30NM4K3 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Surface Finish | 63.0 MICROINCHES BEARING SURFACE OF HEAD |
| Surface Finish | 32.0 MICROINCHES HEAD |
| Head Height | 0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN |
| Fastener Length | 0.5975 INCHES MINIMUM AND 0.6275 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | BMS10-85, TYPE 1, CLASS A MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.425 INCHES NOMINAL IN |
| Material Document and Classification | AMS4967 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.2500 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.1875 INCHES NOMINAL IN |
| Width Between Flats | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Grip Diameter | 0.2481 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Surface Treatment | ALUMINUM OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Reference Number Differentiating Characteristics | ITEM IS FAA CERTIFIED |
| 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 |
|---|---|
| BACB30NM4K3 | Hi-Shear Corporation (USA) |
| BACB30NM4K3 | Huck International, Inc (USA) |
| BACB30NM4K3 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| BACB30NM4K3 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| BACB30NM4K3 | Boeing Defence Australia Ltd (AUS) |
| BACB30NM4K3 | Boeing Defence Australia Ltd Div Defense, Space & Security (AUS) |
| BACB30NM4K3 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30NM4K3 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30NM4K3 | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| Reference | Meaning |
|---|---|
| BACB30NM4K3 | 3/1 Design control — primary reference U.S. Government activity |
NSN 5306-01-522-9854 is a Bolt,shear, manufactured by Hi-Shear Corporation, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-522-9854 has 9 manufacturer part numbers on file: BACB30NM4K3 (Hi-Shear Corporation), BACB30NM4K3 (Huck International, Inc), BACB30NM4K3 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), BACB30NM4K3 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok), BACB30NM4K3 (Boeing Defence Australia Ltd) and 4 more.
1 possible match (shared part number, not a government interchangeability claim): 5306-01-669-6578. Verify interchangeability with system specifications before substitution.
Key specifications for BACB30NM4K3: Surface Finish: 32.0 MICROINCHES GRIP; Surface Finish: 63.0 MICROINCHES BEARING SURFACE OF HEAD; Surface Finish: 32.0 MICROINCHES HEAD; Head Height: 0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN. 21 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.