The Bolt,machine, cataloged under National Stock Number 5306-00-451-8956, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Fastener Innovation Technology, Inc. Dba F I T. Government technical data includes 18 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through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-00-451-8956 |
| Primary Part Number | NAS1003-56A |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Fastener Innovation Technology, Inc. Dba F I T |
| Status | ACTIVE |
| Head Height | 0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN |
| Fastener Length | 3.966 INCHES MINIMUM AND 3.981 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.451 INCHES MINIMUM AND 0.511 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS1003 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Grip Length | 3.485 INCHES MINIMUM AND 3.515 INCHES MAXIMUM IN |
| Width Between Flats | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 140000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| 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 |
|---|---|
| NAS1003-56A PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| NAS1003-56A PRIMARY | Huck International, Inc (USA) |
| NAS1003-56A PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| NAS1003-56A PRIMARY | Qualified Air Components Inc. (USA) |
| NAS1003-56A | Nor-Cal Supply Co (USA) |
| NAS1003-56A PRIMARY | Hi-Shear Corporation (USA) |
| NAS1003-56A PRIMARY | Apcom Inc (USA) |
| NAS1003-56A | Plastic and Metal Products Corporation (USA) |
| NAS1003-56A | Accurate Precision Fastener Corp. Div Accurate Precision Fasteners Corp (USA) |
| Reference | Meaning |
|---|---|
| NAS1003-56A | 5/9 Secondary reference U.S. Government activity |
| NAS1003-56A | 5/9 Secondary reference Lawrence Engineering and Supply Inc |
| NAS1003-56A | 5/9 Secondary reference Air Industries Co Inc |
| NAS1003-56A | 3/2 Design control — primary reference U.S. Government activity |
| NAS1003-56A | 5/9 Secondary reference Collins Engineering Corp |
| NAS1003-56A | 3/2 Design control — primary reference U.S. Government activity |
| NAS1003-56A | 3/2 Design control — primary reference U.S. Government activity |
| NAS1003-56A | 5/9 Secondary reference F and C Sales Inc |
| NAS1003-56A | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| NAS1003-56A | 5/9 Secondary reference U.S. Government activity |
NSN 5306-00-451-8956 is a Bolt,machine, manufactured by Fastener Innovation Technology, Inc. Dba F I T, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-451-8956 has 9 manufacturer part numbers on file: NAS1003-56A (Fastener Innovation Technology, Inc. Dba F I T), NAS1003-56A (Huck International, Inc), NAS1003-56A (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), NAS1003-56A (Qualified Air Components Inc.), NAS1003-56A (Nor-Cal Supply Co) and 4 more.
Key specifications for NAS1003-56A: Head Height: 0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN; Fastener Length: 3.966 INCHES MINIMUM AND 3.981 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.451 INCHES MINIMUM AND 0.511 INCHES MAXIMUM IN. 18 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.