The Bolt,shoulder, cataloged under National Stock Number 5306-01-255-9436, 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-255-9436 |
| Primary Part Number | BACB30PU8P32 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| Status | ACTIVE |
| Head Height | 0.265 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN |
| Fastener Length | 2.6799 INCHES MINIMUM AND 2.6990 INCHES MAXIMUM IN |
| Shoulder Length | 2.000 INCHES MINIMUM AND 2.020 INCHES MAXIMUM FIRST SHOULDER IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.499 INCHES MINIMUM AND 0.500 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.679 INCHES MINIMUM AND 0.699 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN |
| Locking Feature | PATCH OR PELLET OR STRIP THREADS |
| Surface Treatment | PASSIVATE OVERALL |
| 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 |
|---|---|
| BACB30PU8P32 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| BACB30PU8P32 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30PU8P32 | Huck International, Inc (USA) |
| BACB30PU8P32 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| BACB30PU8P32 | Federal Manufacturing Corp (USA) |
| BACB30PU8P32 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| BACB30PU8P32 | 3/2 Design control — primary reference U.S. Government activity |
| BACB30PU8P32 | 5/2 Secondary reference U.S. Government activity |
| BACB30PU8P32 | 5/2 Secondary reference U.S. Government activity |
| BACB30PU8P32 | 5/2 Secondary reference U.S. Government activity |
| BACB30PU8P32 | 5/9 Secondary reference U.S. Government activity |
| BACB30PU8P32 | 5/9 Secondary reference Voi-Shan/chatsworth Div of Vsi Corp Sub of Fairchild Industries Inc |
NSN 5306-01-255-9436 is a Bolt,shoulder, manufactured by Valley-Todeco, Inc. Dba Arconic Fastening Systems, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-255-9436 has 6 manufacturer part numbers on file: BACB30PU8P32 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), BACB30PU8P32 (Sps Technologies, Llc Dba PB Fasteners), BACB30PU8P32 (Huck International, Inc), BACB30PU8P32 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), BACB30PU8P32 (Federal Manufacturing Corp) and 1 more.
Key specifications for BACB30PU8P32: Head Height: 0.265 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN; Fastener Length: 2.6799 INCHES MINIMUM AND 2.6990 INCHES MAXIMUM IN; Shoulder Length: 2.000 INCHES MINIMUM AND 2.020 INCHES MAXIMUM FIRST SHOULDER IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 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.