The Bolt,machine, cataloged under National Stock Number 5306-00-905-3847, 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 16 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-905-3847 |
| Primary Part Number | 51B464-5A9 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Head Height | 0.166 INCHES NOMINAL IN |
| Fastener Length | 0.927 INCHES NOMINAL IN |
| Thread Length | 0.375 INCHES MINIMUM IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 76823-51B464 MANUFACTURERS STANDARD |
| Grip Length | 0.552 INCHES NOMINAL IN |
| Width Between Flats | 0.500 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 51B464-5A9 | Howmet Global Fastening Systems Inc (USA) |
| 51B464-5A9 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| 51B464-5A9 | Hi-Shear Corporation (USA) |
| 51B464-5A9 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| 51B464-5A9 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
| 51B464-5A9 | 5/9 Secondary reference U.S. Government activity |
| 51B464-5A9 | 5/9 Secondary reference Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| 51B464-5A9 | 5/2 Secondary reference U.S. Government activity |
| 51B464-5A9 | 5/9 Secondary reference U.S. Government activity |
| 51B464-5A9 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector |
| 51B464-5A9 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
NSN 5306-00-905-3847 is a Bolt,machine, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-905-3847 has 4 manufacturer part numbers on file: 51B464-5A9 (Howmet Global Fastening Systems Inc), 51B464-5A9 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), 51B464-5A9 (Hi-Shear Corporation), 51B464-5A9 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company).
Key specifications for 51B464-5A9: Head Height: 0.166 INCHES NOMINAL IN; Fastener Length: 0.927 INCHES NOMINAL IN; Thread Length: 0.375 INCHES MINIMUM IN; Nominal Thread Diameter: 0.312 INCHES IN. 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.