The Bolt,shear, cataloged under National Stock Number 5306-01-043-0006, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-043-0006 |
| Primary Part Number | GB511B3-29 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| Status | ACTIVE |
| Head Height | 0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN |
| Thread Length | 0.210 INCHES MINIMUM AND 0.277 INCHES MAXIMUM IN |
| Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 26512-GB511B3 MANUFACTURERS STANDARD |
| Grip Length | 1.802 INCHES MINIMUM AND 1.822 INCHES MAXIMUM IN |
| Width Between Flats | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| 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 |
|---|---|
| GB511B3-29 | Huck International, Inc (USA) |
| GB511B3-29 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| GB511B3-29 | Northrop Grumman Systems Corporation (USA) |
| GB511B3-29 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| AIC516B3-29 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| EWSB22D3A29 | 5/9 Secondary reference U.S. Government activity |
| EWSB22D3A29 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| H401-3-29 | 5/9 Secondary reference U.S. Government activity |
| GB511B3-29 | 5/2 Secondary reference U.S. Government activity |
| BM17020-3-29A | 5/9 Secondary reference U.S. Government activity |
| VS3071-3F29 | 5/9 Secondary reference U.S. Government activity |
| VS3071-3F29 | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc |
| BM17020-3-29A | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
NSN 5306-01-043-0006 is a Bolt,shear, manufactured by Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-043-0006 has 4 manufacturer part numbers on file: GB511B3-29 (Huck International, Inc), GB511B3-29 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), GB511B3-29 (Northrop Grumman Systems Corporation), GB511B3-29 (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for GB511B3-29: Head Height: 0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN; Thread Length: 0.210 INCHES MINIMUM AND 0.277 INCHES MAXIMUM IN; Hardness Rating: 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL; Nominal Thread Diameter: 0.190 INCHES IN. 13 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.