The Bolt,shear, cataloged under National Stock Number 5306-01-365-0351, 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 20 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-365-0351 |
| Primary Part Number | BACB30LE8-21 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| Extended Washer Thickness | 1.113 INCHES MINIMUM AND 1.133 INCHES MAXIMUM IN |
| Head Height | 0.420 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN |
| Fastener Length | 2.110 INCHES MINIMUM AND 2.140 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416 TY 2 CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Extended Washer Diameter | 0.818 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN |
| Thread Length | 0.813 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.302 INCHES MINIMUM AND 1.322 INCHES MAXIMUM IN |
| Width Between Flats | 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN |
| Grip Diameter | 0.4985 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Minimum Tensile Strength | 200000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | IRON ALLOY 660 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 |
|---|---|
| BACB30LE8-21 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30LE8-21 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| BACB30LE8-21 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| BACB30LE8-21 | Huck International, Inc (USA) |
| BACB30LE8-21 | Federal Manufacturing Corp (USA) |
| BACB30LE8-21 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| Reference | Meaning |
|---|---|
| BACB30LE8-21 | 5/2 Secondary reference U.S. Government activity |
| BACB30LE8-21 | 5/2 Secondary reference U.S. Government activity |
| BACB30LE8-21 | 3/2 Design control — primary reference U.S. Government activity |
| BACB30LE8-21 | 5/9 Secondary reference U.S. Government activity |
| BACB30LE8-21 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-01-365-0351 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 5306-01-365-0351 has 6 manufacturer part numbers on file: BACB30LE8-21 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), BACB30LE8-21 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), BACB30LE8-21 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries), BACB30LE8-21 (Huck International, Inc), BACB30LE8-21 (Federal Manufacturing Corp) and 1 more.
Key specifications for BACB30LE8-21: Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Extended Washer Thickness: 1.113 INCHES MINIMUM AND 1.133 INCHES MAXIMUM IN; Head Height: 0.420 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN; Fastener Length: 2.110 INCHES MINIMUM AND 2.140 INCHES MAXIMUM IN. 20 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.