The Bolt,machine, cataloged under National Stock Number 5306-00-990-1644, 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 9 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-990-1644 |
| Primary Part Number | NAS1006-20A |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Head Height | 0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN |
| Fastener Length | 1.898 INCHES MINIMUM AND 1.928 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.633 INCHES MINIMUM AND 0.693 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.235 INCHES MINIMUM AND 1.265 INCHES MAXIMUM IN |
| Width Between Flats | 0.554 INCHES MINIMUM AND 0.564 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 |
| 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 |
|---|---|
| NAS1006-20A PRIMARY | Hi-Shear Corporation (USA) |
| NAS1006-20A PRIMARY | Apcom Inc (USA) |
| NAS1006-20A PRIMARY | Long-Lok Llc (USA) |
| NAS1006-20A PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| NAS1006-20A PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| NAS1006-20A PRIMARY | Nd Industries Inc Div Eastern Division (USA) |
| NAS1006-20A PRIMARY | Huck International, Inc (USA) |
| NAS1006-20A | Plastic and Metal Products Corporation (USA) |
| NAS1006-20A | Nor-Cal Supply Co (USA) |
| Reference | Meaning |
|---|---|
| NAS1006-20A | 5/9 Secondary reference Lawrence Engineering and Supply Inc |
| NAS1006-20A | 3/2 Design control — primary reference U.S. Government activity |
| NAS1006-20A | 5/9 Secondary reference U.S. Government activity |
| NAS1006-20A | 3/2 Design control — primary reference U.S. Government activity |
| NAS1006-20A | 5/9 Secondary reference F and C Sales Inc |
| NAS1006-20A | 3/9 Design control — primary reference Air Industries Co Inc |
| NAS1006-20A | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| NAS1006-20A | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-00-990-1644 is a Bolt,machine, manufactured by Hi-Shear Corporation, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-990-1644 has 9 manufacturer part numbers on file: NAS1006-20A (Hi-Shear Corporation), NAS1006-20A (Apcom Inc), NAS1006-20A (Long-Lok Llc), NAS1006-20A (Fastener Innovation Technology, Inc. Dba F I T), NAS1006-20A (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc) and 4 more.
Key specifications for NAS1006-20A: Head Height: 0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN; Fastener Length: 1.898 INCHES MINIMUM AND 1.928 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.633 INCHES MINIMUM AND 0.693 INCHES MAXIMUM 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.