The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-080-6608, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Nor-Cal Supply Co. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 8 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through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-080-6608 |
| Primary Part Number | NAS1012-21 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Nor-Cal Supply Co |
| Status | ACTIVE |
| Head Height | 0.390 INCHES MINIMUM AND 0.422 INCHES MAXIMUM IN |
| Fastener Length | 2.486 INCHES MINIMUM AND 2.516 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 1.159 INCHES MINIMUM AND 1.219 INCHES MAXIMUM IN |
| Shank Unthreaded Hole Diameter | 0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM FIRST HOLE IN |
| Material Document and Classification | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS1012 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Width Between Flats | 1.053 INCHES MINIMUM AND 1.064 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 140000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 16 |
| Material | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 2.177 INCHES MINIMUM AND 2.197 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 |
|---|---|
| NAS1012-21 | Nor-Cal Supply Co (USA) |
| NAS1012-21 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| NAS1012-21 | Accurate Precision Fastener Corp. Div Accurate Precision Fasteners Corp (USA) |
| NAS1012-21 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| NAS1012-21 | Qualified Air Components Inc. (USA) |
| NAS1012-21 | Plastic and Metal Products Corporation (USA) |
| NAS1012-21 | Hi-Shear Corporation (USA) |
| NAS1012-21 | Apcom Inc (USA) |
| Reference | Meaning |
|---|---|
| NAS1012-21 | 5/9 Secondary reference F and C Sales Inc |
| NAS1012-21 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| NAS1012-21 | 5/9 Secondary reference U.S. Government activity |
| NAS1012-21 | 5/9 Secondary reference Air Industries Co Inc |
| NAS1012-21 | 5/9 Secondary reference Collins Engineering Corp |
| NAS1012-21 | 5/2 Secondary reference U.S. Government activity |
| NAS1012-21 | 3/2 Design control — primary reference U.S. Government activity |
| NAS1012-21 | 5/2 Secondary reference U.S. Government activity |
| NAS1012-21 | 5/9 Secondary reference Lawrence Engineering and Supply Inc |
| NAS1012-21 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-080-6608 is a Screw,cap,hexagon Head, manufactured by Nor-Cal Supply Co, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-080-6608 has 8 manufacturer part numbers on file: NAS1012-21 (Nor-Cal Supply Co), NAS1012-21 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), NAS1012-21 (Accurate Precision Fastener Corp. Div Accurate Precision Fasteners Corp), NAS1012-21 (Fastener Innovation Technology, Inc. Dba F I T), NAS1012-21 (Qualified Air Components Inc.) and 3 more.
1 possible match (shared part number, not a government interchangeability claim): 5305-01-080-6609. Verify interchangeability with system specifications before substitution.
Key specifications for NAS1012-21: Head Height: 0.390 INCHES MINIMUM AND 0.422 INCHES MAXIMUM IN; Fastener Length: 2.486 INCHES MINIMUM AND 2.516 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 1.159 INCHES MINIMUM AND 1.219 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.