The Bolt,shear, cataloged under National Stock Number 5306-01-581-5708, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies Llc Dba PB Fasteners Div PB Fasteners. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-581-5708 |
| Primary Part Number | BACB30LM4D75 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES THREADS |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Surface Finish | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| Head Height | 0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN |
| Fastener Length | 5.212 INCHES MINIMUM AND 5.257 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMSQQ-P-416, TY 2, CL 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.420 INCHES MINIMUM AND 0.430 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | DISHED HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 4.677 INCHES MINIMUM AND 4.697 INCHES MAXIMUM IN |
| Width Between Flats | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Grip Diameter | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| BACB30LM4D75 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| BACB30LM4D75 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30LM4D75 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| BACB30LM4D75 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30LM4D75 | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| BACB30LM4D75 | Federal Manufacturing Corp (USA) |
| Reference | Meaning |
|---|---|
| BACB30LM4D75 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-581-5708 is a Bolt,shear, manufactured by Sps Technologies Llc Dba PB Fasteners Div PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-581-5708 has 6 manufacturer part numbers on file: BACB30LM4D75 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), BACB30LM4D75 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), BACB30LM4D75 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), BACB30LM4D75 (Sps Technologies, Llc Dba PB Fasteners), BACB30LM4D75 (Howmet Global Fastening Systems Inc Div City of Industry Operations) and 1 more.
Key specifications for BACB30LM4D75: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Head Height: 0.125 INCHES MINIMUM AND 0.140 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.