The Bolt,machine, cataloged under National Stock Number 5306-00-779-6555, 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 21 specifications, cited from the U.S. Government catalog. The record lists 9 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-779-6555 |
| Primary Part Number | NAS1005-44 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Head Height | 0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN |
| Fastener Length | 3.367 INCHES MINIMUM AND 3.397 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.602 INCHES MINIMUM AND 0.662 INCHES MAXIMUM IN |
| Hardness Rating | 248.0 BRINELL STANDARD MINIMUM AND 341.0 BRINELL STANDARD MAXIMUM OVERALL |
| Shank Unthreaded Hole Diameter | 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE IN |
| Material Document and Classification | AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS1005 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Grip Length | 2.735 INCHES MINIMUM AND 2.765 INCHES MAXIMUM IN |
| Width Between Flats | 0.492 INCHES MINIMUM AND 0.501 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 140000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNF |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 3.099 INCHES MINIMUM AND 3.119 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 |
|---|---|
| NAS1005-44 PRIMARY | Huck International, Inc (USA) |
| NAS1005-44 PRIMARY | Hi-Shear Corporation (USA) |
| NAS1005-44 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| NAS1005-44 | Accurate Precision Fastener Corp. Div Accurate Precision Fasteners Corp (USA) |
| NAS1005-44 | Plastic and Metal Products Corporation (USA) |
| NAS1005-44 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| NAS1005-44 | Nor-Cal Supply Co (USA) |
| NAS1005-44 PRIMARY | Apcom Inc (USA) |
| NAS1005-44 PRIMARY | Qualified Air Components Inc. (USA) |
| Reference | Meaning |
|---|---|
| NAS1005-44 | 5/9 Secondary reference Lawrence Engineering and Supply Inc |
| NAS1005-44 | 5/9 Secondary reference U.S. Government activity |
| NAS1005-44 | 5/9 Secondary reference F and C Sales Inc |
| NAS1005-44 | 3/2 Design control — primary reference U.S. Government activity |
| NAS1005-44 | 3/2 Design control — primary reference U.S. Government activity |
| NAS1005-44 | 5/9 Secondary reference Air Industries Co Inc |
| NAS1005-44 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| NAS1005-44 | 5/9 Secondary reference Collins Engineering Corp |
| NAS1005-44 | 3/2 Design control — primary reference U.S. Government activity |
| NAS1005-44 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-00-779-6555 is a Bolt,machine, manufactured by Huck International, Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-779-6555 has 9 manufacturer part numbers on file: NAS1005-44 (Huck International, Inc), NAS1005-44 (Hi-Shear Corporation), NAS1005-44 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), NAS1005-44 (Accurate Precision Fastener Corp. Div Accurate Precision Fasteners Corp), NAS1005-44 (Plastic and Metal Products Corporation) and 4 more.
Key specifications for NAS1005-44: Head Height: 0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN; Fastener Length: 3.367 INCHES MINIMUM AND 3.397 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.602 INCHES MINIMUM AND 0.662 INCHES MAXIMUM IN. 21 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.