The Bolt,shear, cataloged under National Stock Number 5306-00-978-5155, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 17 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-00-978-5155 |
| Primary Part Number | 51B464-12A14 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Head Height | 0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN |
| Fastener Length | 1.437 INCHES MINIMUM AND 1.478 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.552 INCHES MINIMUM AND 0.613 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 76823-51B464 MANUFACTURERS STANDARD |
| Grip Length | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN |
| Width Between Flats | 1.052 INCHES MINIMUM AND 1.065 INCHES MAXIMUM IN |
| Grip Diameter | 0.7480 INCHES MINIMUM AND 0.7490 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 180000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 6150 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 |
|---|---|
| 51B464-12A14 | Howmet Global Fastening Systems Inc (USA) |
| 51B464-12A14 | Hi-Shear Corporation (USA) |
| 51B464-12A14 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 51B464-12A14 | Huck International, Inc (USA) |
| 51B464-12A14 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| 51B464-12A14 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| 51B464-12A14 | 5/2 Secondary reference U.S. Government activity |
| 51B464-12A14 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
| 51B464-12A14 | 5/2 Secondary reference U.S. Government activity |
| 51B464-12A14 | 5/9 Secondary reference U.S. Government activity |
| 51B464-12A14 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| 51B464-12A14 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector |
NSN 5306-00-978-5155 is a Bolt,shear, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-978-5155 has 6 manufacturer part numbers on file: 51B464-12A14 (Howmet Global Fastening Systems Inc), 51B464-12A14 (Hi-Shear Corporation), 51B464-12A14 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 51B464-12A14 (Huck International, Inc), 51B464-12A14 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc) and 1 more.
Key specifications for 51B464-12A14: Head Height: 0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN; Fastener Length: 1.437 INCHES MINIMUM AND 1.478 INCHES MAXIMUM IN; Surface Treatment Document and Classification: NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.552 INCHES MINIMUM AND 0.613 INCHES MAXIMUM IN. 17 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.