The Bolt,shear, cataloged under National Stock Number 5306-01-604-8278, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company. Government technical data includes 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-604-8278 |
| Primary Part Number | BACB30LM3K3 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| Status | ACTIVE |
| Head Height | 0.110 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN |
| Fastener Length | 0.345 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | AMS QQ-C-3230,CLASS 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.1900 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.367 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.345 INCHES NOMINAL IN |
| Width Between Flats | 0.19 INCHES NOMINAL IN |
| Grip Diameter | 0.181 INCHES MINIMUM AND 0.184 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) |
| 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 |
|---|---|
| BACB30LM3K3 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30LM3K3 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| BACB30LM3K3 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| BACB30LM3K3 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30LM3K3 | Federal Manufacturing Corp (USA) |
| BACB30LM3K3 | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| BACB30LM3K3 | Blanc Aero Industrie Villefranche De Rouergue - Groupe Lisi Aerospace (FRA) |
| Reference | Meaning |
|---|---|
| BACB30LM3K3 | 3/2 Design control — primary reference U.S. Government activity |
| BACB30LM | D/9 Drawing number reference only U.S. Government activity |
NSN 5306-01-604-8278 is a Bolt,shear, manufactured by Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-604-8278 has 7 manufacturer part numbers on file: BACB30LM3K3 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), BACB30LM3K3 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), BACB30LM3K3 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), BACB30LM3K3 (Sps Technologies, Llc Dba PB Fasteners), BACB30LM3K3 (Federal Manufacturing Corp) and 2 more.
Key specifications for BACB30LM3K3: Head Height: 0.110 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN; Fastener Length: 0.345 INCHES NOMINAL IN; Surface Treatment Document and Classification: AMS QQ-C-3230,CLASS 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.1900 INCHES NOMINAL IN. 17 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.