The Bolt,shoulder, cataloged under National Stock Number 5306-01-338-3982, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Valley-Todeco, Inc. Dba Arconic Fastening Systems. Government technical data includes 18 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-338-3982 |
| Primary Part Number | BACB30PU12P40 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| Status | ACTIVE |
| Head Height | 0.390 INCHES MINIMUM AND 0.422 INCHES MAXIMUM IN |
| Fastener Length | 3.387 INCHES MINIMUM AND 3.417 INCHES MAXIMUM IN |
| Shoulder Length | 2.500 INCHES MINIMUM AND 2.520 INCHES MAXIMUM FIRST SHOULDER IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| Shoulder Diameter | 0.748 INCHES MINIMUM AND 0.749 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.902 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.052 INCHES MINIMUM AND 1.064 INCHES MAXIMUM IN |
| Locking Feature | PATCH THREADS |
| Surface Treatment | PASSIVATE FASTENER |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | IRON ALLOY 660 FASTENER |
| Material | PLASTIC POLYAMIDE NYLON LOCKING FEATURE |
| 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 |
|---|---|
| BACB30PU12P40 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| BACB30PU12P40 | Howmet Global Fastening Systems Inc (USA) |
| BACB30PU12P40 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30PU12P40 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30PU12P40 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| BACB30PU12P40 | Federal Manufacturing Corp (USA) |
| Reference | Meaning |
|---|---|
| BACB30PU12P40 | 3/2 Design control — primary reference U.S. Government activity |
| BACB30PU12P40 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-01-338-3982 is a Bolt,shoulder, manufactured by Valley-Todeco, Inc. Dba Arconic Fastening Systems, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-338-3982 has 6 manufacturer part numbers on file: BACB30PU12P40 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), BACB30PU12P40 (Howmet Global Fastening Systems Inc), BACB30PU12P40 (Sps Technologies, Llc Dba PB Fasteners), BACB30PU12P40 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), BACB30PU12P40 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners) and 1 more.
Key specifications for BACB30PU12P40: Head Height: 0.390 INCHES MINIMUM AND 0.422 INCHES MAXIMUM IN; Fastener Length: 3.387 INCHES MINIMUM AND 3.417 INCHES MAXIMUM IN; Shoulder Length: 2.500 INCHES MINIMUM AND 2.520 INCHES MAXIMUM FIRST SHOULDER IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER. 18 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.