The Bolt,shear, cataloged under National Stock Number 5306-01-043-0004, 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 16 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through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-043-0004 |
| Primary Part Number | GB511B5-14 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| Status | ACTIVE |
| Head Height | 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN |
| Fastener Length | 1.210 INCHES MINIMUM AND 1.257 INCHES MAXIMUM IN |
| Thread Length | 0.325 INCHES MINIMUM AND 0.392 INCHES MAXIMUM IN |
| Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN |
| Width Between Flats | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| Grip Diameter | 0.3108 INCHES MINIMUM AND 0.3117 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 COMP H11 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 |
|---|---|
| GB511B5-14 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| GB511B5-14 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| GB511B5-14 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| GB511B5-14 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| GB511B5-14 | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| GB511B5-14 | 5/9 Secondary reference U.S. Government activity |
| H401-5-14 | 5/9 Secondary reference U.S. Government activity |
| BM17020-5-14A | 3/9 Design control — primary reference U.S. Government activity |
| AIC516B5-14 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| EWSB22D5A14 | 5/9 Secondary reference U.S. Government activity |
| VS3071-5F14 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| GB511B5-14 | 5/2 Secondary reference U.S. Government activity |
| GB511B5-14 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| EWSB22D5A14 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| VS3071-5F14 | 5/9 Secondary reference U.S. Government activity |
| BM17020-5-14A | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
NSN 5306-01-043-0004 is a Bolt,shear, manufactured by Sps Technologies Llc Dba PB Fasteners Div PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-043-0004 has 5 manufacturer part numbers on file: GB511B5-14 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), GB511B5-14 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), GB511B5-14 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), GB511B5-14 (Sps Technologies, Llc Dba PB Fasteners), GB511B5-14 (Huck International, Inc).
Key specifications for GB511B5-14: Head Height: 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN; Fastener Length: 1.210 INCHES MINIMUM AND 1.257 INCHES MAXIMUM IN; Thread Length: 0.325 INCHES MINIMUM AND 0.392 INCHES MAXIMUM IN; Hardness Rating: 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL. 16 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.