The Screw,close Tolerance, cataloged under National Stock Number 5305-01-025-7762, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Government technical data includes 24 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-025-7762 |
| Primary Part Number | NAS1121-15H |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES THREADS |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Surface Finish | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| Head Height | 0.074 INCHES MINIMUM AND 0.086 INCHES MAXIMUM IN |
| Fastener Length | 1.199 INCHES MINIMUM AND 1.229 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.251 INCHES MINIMUM AND 0.301 INCHES MAXIMUM IN |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| Hole Configuration Style | ROUND |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | FLAT CHAMFER |
| Specification/standard Data | 80205-NAS1121 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Grip Length | 0.928 INCHES MINIMUM AND 0.948 INCHES MAXIMUM IN |
| Grip Diameter | 0.1365 INCHES MINIMUM AND 0.1375 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | OFFSET CRUCIFORM (TORQUE SET) |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP E4340 OR STEEL COMP 4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OVERALL |
| Hole Quantity | 2 |
| Thread Series Designator | UNJC |
| Hole Type | DRILLED |
| Hole Diameter | 0.038 INCHES NOMINAL IN |
| Head Diameter | 0.221 INCHES MINIMUM AND 0.226 INCHES MAXIMUM 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 |
|---|---|
| NAS1121-15H | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| NAS1121-15H PRIMARY | Huck International, Inc (USA) |
| NAS1121-15H | Plastic and Metal Products Corporation (USA) |
| NAS1121-15H PRIMARY | Apcom Inc (USA) |
| NAS1121-15H PRIMARY | Qualified Air Components Inc. (USA) |
| NAS1121-15H PRIMARY | Hi-Shear Corporation (USA) |
| NAS1121-15H | Nor-Cal Supply Co (USA) |
| NAS1121-15H PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| Reference | Meaning |
|---|---|
| NAS1121-15H | 5/9 Secondary reference U.S. Government activity |
| NAS1121-15H | 3/2 Design control — primary reference U.S. Government activity |
| NAS1121-15H | 5/9 Secondary reference F and C Sales Inc |
| NAS1121-15H | 3/2 Design control — primary reference U.S. Government activity |
| NAS1121-15H | 3/2 Design control — primary reference U.S. Government activity |
| NAS1121-15H | 5/9 Secondary reference Air Industries Co Inc |
| NAS1121-15H | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| NAS1121-15H | 5/9 Secondary reference Lawrence Engineering and Supply Inc |
NSN 5305-01-025-7762 is a Screw,close Tolerance, manufactured by Huck International, Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-025-7762 has 8 manufacturer part numbers on file: NAS1121-15H (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), NAS1121-15H (Huck International, Inc), NAS1121-15H (Plastic and Metal Products Corporation), NAS1121-15H (Apcom Inc), NAS1121-15H (Qualified Air Components Inc.) and 3 more.
Key specifications for NAS1121-15H: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Head Height: 0.074 INCHES MINIMUM AND 0.086 INCHES MAXIMUM IN. 24 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.