The Bolt,shear, cataloged under National Stock Number 5306-01-055-0161, 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 18 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-055-0161 |
| Primary Part Number | PBF7521-6-13 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| Status | ACTIVE |
| Head Height | 0.210 INCHES NOMINAL IN |
| Fastener Length | 1.256 INCHES MINIMUM AND 1.276 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.454 INCHES NOMINAL IN |
| Material Document and Classification | AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Single Shear Strength | ERR-060 |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | SPLINE DRIVE SHEAR HEAD |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM IN |
| Head Minor Diameter | 0.679 INCHES NOMINAL IN |
| Grip Diameter | 0.3733 INCHES MINIMUM AND 0.3742 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL 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 |
|---|---|
| H411-6-13 | Huck International, Inc (USA) |
| 120978-6-13 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| AIC596-6-13 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| VCG0009-6-13 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| PBF7521-6-13 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| C7521-6-13 | 7/2 Vendor item drawing reference U.S. Government activity |
| C7251-6-13 | 5/9 Secondary reference Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| C7251-6-13 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| C7521-6-13 | 5/9 Secondary reference U.S. Government activity |
| 120978-6-13 | 5/2 Secondary reference U.S. Government activity |
| VS3133-6-13 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| C7251-6-13 | 5/9 Secondary reference Huck International, Inc |
| VS3133-6-13 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-055-0161 is a Bolt,shear, manufactured by Sps Technologies Llc Dba PB Fasteners Div PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-055-0161 has 5 manufacturer part numbers on file: H411-6-13 (Huck International, Inc), 120978-6-13 (Sps Technologies, Llc Dba PB Fasteners), AIC596-6-13 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), VCG0009-6-13 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), PBF7521-6-13 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners).
Key specifications for PBF7521-6-13: Head Height: 0.210 INCHES NOMINAL IN; Fastener Length: 1.256 INCHES MINIMUM AND 1.276 INCHES MAXIMUM IN; Surface Treatment Document and Classification: NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.454 INCHES NOMINAL IN. 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.