The Screw,close Tolerance, cataloged under National Stock Number 5305-00-916-9488, 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 25 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-00-916-9488 |
| Primary Part Number | NAS1125-29H |
| 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 |
| Head Height | 0.162 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN |
| Fastener Length | 2.172 INCHES MINIMUM AND 2.202 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.375 INCHES MINIMUM IN |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| Hole Configuration Style | ROUND |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS1125 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Grip Length | 1.812 INCHES NOMINAL IN |
| Grip Diameter | 0.3110 INCHES MINIMUM AND 0.3120 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 Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 6150 OVERALL |
| Hole Quantity | 2 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Hole Type | DRILLED |
| Hole Diameter | 0.064 INCHES NOMINAL IN |
| Head Diameter | 0.413 INCHES MINIMUM AND 0.438 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 |
|---|---|
| NAS1125-29H PRIMARY | Huck International, Inc (USA) |
| NAS1125-29H | Plastic and Metal Products Corporation (USA) |
| NAS1125-29H PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| NAS1125-29H PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| NAS1125-29H | Nor-Cal Supply Co (USA) |
| NAS1125-29H PRIMARY | Hi-Shear Corporation (USA) |
| NAS1125-29H PRIMARY | Qualified Air Components Inc. (USA) |
| NAS1125-29H PRIMARY | Apcom Inc (USA) |
| Reference | Meaning |
|---|---|
| NAS1125-29H | 5/9 Secondary reference F and C Sales Inc |
| NAS1125-29H | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| NAS1125-29H | 5/9 Secondary reference Air Industries Co Inc |
| NAS1125-29H | 3/2 Design control — primary reference U.S. Government activity |
| NAS1125-29H | 5/9 Secondary reference Lawrence Engineering and Supply Inc |
| NAS1125-29H | 3/2 Design control — primary reference U.S. Government activity |
| NAS1125-29H | 5/9 Secondary reference U.S. Government activity |
| NAS1125-29H | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-00-916-9488 is a Screw,close Tolerance, manufactured by Huck International, Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-916-9488 has 8 manufacturer part numbers on file: NAS1125-29H (Huck International, Inc), NAS1125-29H (Plastic and Metal Products Corporation), NAS1125-29H (Fastener Innovation Technology, Inc. Dba F I T), NAS1125-29H (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), NAS1125-29H (Nor-Cal Supply Co) and 3 more.
Key specifications for NAS1125-29H: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Head Height: 0.162 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN; Fastener Length: 2.172 INCHES MINIMUM AND 2.202 INCHES MAXIMUM IN. 25 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.