The Bolt,shear, cataloged under National Stock Number 5306-01-043-5708, 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 15 specifications, cited from the U.S. Government catalog. The record lists 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-043-5708 |
| Primary Part Number | PBF1478-7-12 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| Status | ACTIVE |
| Extended Washer Thickness | 0.089 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN |
| Head Height | 0.425 INCHES MINIMUM AND 0.445 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Thread Length | 0.640 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN |
| Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 26512-GB511W PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Grip Length | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| Width Between Flats | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| 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 |
|---|---|
| GB511GF7-12 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| GB511GF7-12 | Northrop Grumman Systems Corporation (USA) |
| GB511GF7-12 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| GB511GF7-12 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| PBF1478-7-12 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| VCC0090-7-12 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| GB511GF7-12 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 84725-7-12 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| GB511W7-12 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| VS3070F7-12 | 5/9 Secondary reference U.S. Government activity |
| VEP220121-7V12 | 5/9 Secondary reference Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| LWB22-7-12 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| AIC515-7-12 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| H381-7-12 | 5/9 Secondary reference U.S. Government activity |
| VEP220121-7F12 | 5/9 Secondary reference Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| PBF1079-7-12 | 5/9 Secondary reference Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| BM3315-7-12 | 5/9 Secondary reference U.S. Government activity |
| LWB22-7-12 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-043-5708 is a Bolt,shear, manufactured by Sps Technologies Llc Dba PB Fasteners Div PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-043-5708 has 8 manufacturer part numbers on file: GB511GF7-12 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), GB511GF7-12 (Northrop Grumman Systems Corporation), GB511GF7-12 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), GB511GF7-12 (Sps Technologies, Llc Dba PB Fasteners), PBF1478-7-12 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners) and 3 more.
Key specifications for PBF1478-7-12: Extended Washer Thickness: 0.089 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN; Head Height: 0.425 INCHES MINIMUM AND 0.445 INCHES MAXIMUM IN; Extended Washer Diameter: 0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN; Thread Length: 0.640 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN. 15 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.