The Screw,close Tolerance, cataloged under National Stock Number 5305-00-929-4071, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Qualified Air Components 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-00-929-4071 |
| Primary Part Number | NAS1125C6H |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Qualified Air Components 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 | 0.162 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN |
| Fastener Length | 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | -A0110-006 FSCM 43999 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.375 INCHES MINIMUM IN |
| Hardness Rating | 248.0 BRINELL STANDARD MINIMUM AND 321.0 BRINELL STANDARD MAXIMUM OVERALL |
| Material Document and Classification | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| 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 | 0.375 INCHES NOMINAL IN |
| Grip Diameter | 0.3100 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 140000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | OFFSET CRUCIFORM (TORQUE SET) |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| NAS1125C6H PRIMARY | Qualified Air Components Inc. (USA) |
| NAS1125C6H | Plastic and Metal Products Corporation (USA) |
| NAS1125C6H PRIMARY | Huck International, Inc (USA) |
| NAS1125C6H | Nor-Cal Supply Co (USA) |
| NAS1125C6H PRIMARY | Apcom Inc (USA) |
| NAS1125C6H PRIMARY | Hi-Shear Corporation (USA) |
| NAS1125C6H PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| NAS1125C6H PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| Reference | Meaning |
|---|---|
| NAS1125C6H | 5/9 Secondary reference U.S. Government activity |
| NAS1125C6H | 5/9 Secondary reference Air Industries Co Inc |
| NAS1125C6H | 5/9 Secondary reference F and C Sales Inc |
| NAS1125C6H | 3/2 Design control — primary reference U.S. Government activity |
| NAS1125C6H | 3/2 Design control — primary reference U.S. Government activity |
| NAS1125C6H | 5/9 Secondary reference Lawrence Engineering and Supply Inc |
| NAS1125C6H | 3/2 Design control — primary reference U.S. Government activity |
| NAS1125C6H | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
NSN 5305-00-929-4071 is a Screw,close Tolerance, manufactured by Qualified Air Components Inc., classified under FSC 5305, Screws. Status: active.
NSN 5305-00-929-4071 has 8 manufacturer part numbers on file: NAS1125C6H (Qualified Air Components Inc.), NAS1125C6H (Plastic and Metal Products Corporation), NAS1125C6H (Huck International, Inc), NAS1125C6H (Nor-Cal Supply Co), NAS1125C6H (Apcom Inc) and 3 more.
Key specifications for NAS1125C6H: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Head Height: 0.162 INCHES MINIMUM AND 0.183 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.