The Bolt,shoulder, cataloged under National Stock Number 5306-01-183-3952, 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 19 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-183-3952 |
| Primary Part Number | BACB30PU7D24 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| Status | ACTIVE |
| Head Height | 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN |
| Fastener Length | 2.063 INCHES MINIMUM AND 2.093 INCHES MAXIMUM IN |
| Shoulder Length | 1.500 INCHES MINIMUM AND 1.520 INCHES MAXIMUM FIRST SHOULDER IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.4365 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.543 INCHES MINIMUM AND 0.593 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Shank Unthreaded Hole Diameter | 0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM FIRST HOLE IN |
| Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.615 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNJC |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.856 INCHES MINIMUM AND 1.906 INCHES MAXIMUM FIRST HOLE 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 |
|---|---|
| BACB30PU7D24 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30PU7D24 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| BACB30PU7D24 PRIMARY | Federal Manufacturing Corp (USA) |
| BACB30PU7D24 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| BACB30PU7D24 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| BACB30PU7D24 | 3/2 Design control — primary reference U.S. Government activity |
| BACB30PU7D24 | 3/2 Design control — primary reference U.S. Government activity |
| BACB30PU7D24 | 3/2 Design control — primary reference U.S. Government activity |
| BACB30PU7D24 | 5/9 Secondary reference Voi-Shan/chatsworth Div of Vsi Corp Sub of Fairchild Industries Inc |
| BACB30PU7D24 | 3/2 Design control — primary reference U.S. Government activity |
| BACB30PU7D24 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-183-3952 is a Bolt,shoulder, manufactured by Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-183-3952 has 5 manufacturer part numbers on file: BACB30PU7D24 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), BACB30PU7D24 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), BACB30PU7D24 (Federal Manufacturing Corp), BACB30PU7D24 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), BACB30PU7D24 (Howmet Global Fastening Systems Inc).
Key specifications for BACB30PU7D24: Head Height: 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN; Fastener Length: 2.063 INCHES MINIMUM AND 2.093 INCHES MAXIMUM IN; Shoulder Length: 1.500 INCHES MINIMUM AND 1.520 INCHES MAXIMUM FIRST SHOULDER IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 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.