The Bolt,machine, cataloged under National Stock Number 5306-00-040-9522, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 17 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-040-9522 |
| Primary Part Number | NAS1004-78 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Head Height | 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN |
| Fastener Length | 5.404 INCHES MINIMUM AND 5.434 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.514 INCHES MINIMUM AND 0.574 INCHES MAXIMUM IN |
| Shank Unthreaded Hole Diameter | 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE IN |
| Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS1004 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Grip Length | 4.860 INCHES MINIMUM AND 4.890 INCHES MAXIMUM IN |
| Width Between Flats | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 140000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNF |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 5.177 INCHES MINIMUM AND 5.197 INCHES MAXIMUM FIRST HOLE IN |
| 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 |
|---|---|
| NAS1004-78 PRIMARY | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| NAS1004-78 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| NAS1004-78 | 5/9 Secondary reference Accurate Precision Fastener Corp. Div Accurate Precision Fasteners Corp |
| NAS1004-78 | 5/9 Secondary reference U.S. Government activity |
| NAS1004-78 | 5/9 Secondary reference Fastener Innovation Technology, Inc. Dba F I T |
| NAS1004-78 | 5/9 Secondary reference U.S. Government activity |
| NAS1004-78 | 5/9 Secondary reference Hi-Shear Corporation |
| NAS1004-78 | 5/9 Secondary reference Qualified Air Components Inc. |
| NAS1004-78 | 5/9 Secondary reference U.S. Government activity |
| NAS1004-78 | 3/2 Design control — primary reference U.S. Government activity |
| NAS1004-78 | 5/9 Secondary reference F and C Sales Inc |
| NAS1004-78 | 5/9 Secondary reference Nor-Cal Supply Co |
| NAS1004-78 | 5/9 Secondary reference Plastic and Metal Products Corporation |
| NAS1004-78 | 5/9 Secondary reference Apcom Inc |
| NAS1004-78 | 5/9 Secondary reference Lawrence Engineering and Supply Inc |
| NAS1004-78 | 5/9 Secondary reference Collins Engineering Corp |
| NAS1004-78 | 5/9 Secondary reference U.S. Government activity |
| NAS1004-78 | 5/9 Secondary reference Air Industries Co Inc |
NSN 5306-00-040-9522 is a Bolt,machine, manufactured by Huck International, Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-040-9522 has 1 manufacturer part number on file: NAS1004-78 (Huck International, Inc).
Key specifications for NAS1004-78: Head Height: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN; Fastener Length: 5.404 INCHES MINIMUM AND 5.434 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.514 INCHES MINIMUM AND 0.574 INCHES MAXIMUM IN. 20 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.