The Bolt,shear, cataloged under National Stock Number 5306-01-596-7374, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-596-7374 |
| Primary Part Number | BACB30LM6K28 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Head Height | 0.188 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN |
| Fastener Length | 2.015 INCHES NOMINAL IN |
| Thread Length | 0.578 INCHES NOMINAL IN |
| Hole Configuration Style | ROUND |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | DISHED HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.750 INCHES NOMINAL IN |
| Width Between Flats | 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN |
| Grip Diameter | 0.3729 INCHES MINIMUM AND 0.3735 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 | STEEL CORROSION RESISTING OVERALL |
| Hole Quantity | 2 |
| Thread Series Designator | UNF |
| Hole Type | DRILLED |
| Hole Diameter | 0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM IN |
| 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 |
|---|---|
| BACB30LM6K28 | Howmet Global Fastening Systems Inc (USA) |
| BACB30LM6K28 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30LM6K28 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30LM6K28 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| BACB30LM6K28 | Huck International, Inc (USA) |
| BACB30LM6K28 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| BACB30LM6K28 | Federal Manufacturing Corp (USA) |
| Reference | Meaning |
|---|---|
| BACB30LM6K28 | 5/2 Secondary reference U.S. Government activity |
| BACB30LM6K28 | 3/2 Design control — primary reference U.S. Government activity |
| BACB30LM6K28 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-01-596-7374 is a Bolt,shear, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-596-7374 has 7 manufacturer part numbers on file: BACB30LM6K28 (Howmet Global Fastening Systems Inc), BACB30LM6K28 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), BACB30LM6K28 (Sps Technologies, Llc Dba PB Fasteners), BACB30LM6K28 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), BACB30LM6K28 (Huck International, Inc) and 2 more.
Key specifications for BACB30LM6K28: Head Height: 0.188 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN; Fastener Length: 2.015 INCHES NOMINAL IN; Thread Length: 0.578 INCHES NOMINAL IN; Hole Configuration Style: ROUND. 19 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.