The Bolt,shear, cataloged under National Stock Number 5306-01-697-0453, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Hi-Shear Corporation. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 12 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-697-0453 |
| Primary Part Number | NAS6304A4Y |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Head Height | 0.125 INCHES NOMINAL IN |
| Fastener Length | 0.620 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | NAS4006 NATIONAL STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.370 INCHES NOMINAL IN |
| Material Document and Classification | AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5853 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.250 INCHES NOMINAL IN |
| Width Between Flats | 0.429 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Grip Diameter | 0.2797 INCHES MINIMUM AND 0.2807 INCHES MAXIMUM IN |
| Surface Treatment | ALUMINUM OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | IRON ALLOY 660 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 |
|---|---|
| NAS6304A4Y | Hi-Shear Corporation (USA) |
| NAS6304A4Y | Howmet Global Fastening Systems Inc (USA) |
| NAS6304A4Y | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| NAS6304A4Y | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| NAS6304A4Y | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| NAS6304A4Y | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| NAS6304A4Y | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| NAS6304A4Y | Huck International, Inc (USA) |
| NAS6304A4Y | West Coast Aerospace, Inc. (USA) |
| NAS6304A4Y | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| NAS6304A4Y | Federal Manufacturing Corp (USA) |
| NAS6304A4Y | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| NAS6304A4Y | 3/2 Design control — primary reference U.S. Government activity |
| NAS6304A4Y | 5/2 Secondary reference U.S. Government activity |
NSN 5306-01-697-0453 is a Bolt,shear, manufactured by Hi-Shear Corporation, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-697-0453 has 12 manufacturer part numbers on file: NAS6304A4Y (Hi-Shear Corporation), NAS6304A4Y (Howmet Global Fastening Systems Inc), NAS6304A4Y (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), NAS6304A4Y (Howmet Global Fastening Systems Inc Div City of Industry Operations), NAS6304A4Y (Valley-Todeco, Inc. Dba Arconic Fastening Systems) and 7 more.
Key specifications for NAS6304A4Y: Head Height: 0.125 INCHES NOMINAL IN; Fastener Length: 0.620 INCHES NOMINAL IN; Surface Treatment Document and Classification: NAS4006 NATIONAL STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.370 INCHES NOMINAL 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.