The Screw,close Tolerance, cataloged under National Stock Number 5305-01-108-7481, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Apcom Inc. Government technical data includes 26 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-108-7481 |
| Primary Part Number | NAS1124E2H |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Apcom 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 | 0.133 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN |
| Fastener Length | 0.426 INCHES MINIMUM AND 0.456 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.291 INCHES MINIMUM AND 0.341 INCHES MAXIMUM IN |
| Hole Configuration Style | ROUND |
| Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS1124 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Grip Length | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| Grip Diameter | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE 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 | 28 |
| Material | IRON ALLOY 660 OVERALL |
| Hole Quantity | 1 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Hole Type | DRILLED |
| Hole Diameter | 0.060 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN |
| Head Diameter | 0.365 INCHES MINIMUM AND 0.375 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 |
|---|---|
| NAS1124E2H | Apcom Inc (USA) |
| NAS1124E2H | Hi-Shear Corporation (USA) |
| NAS1124E2H | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| NAS1124E2H | Qualified Air Components Inc. (USA) |
| NAS1124E2H | Nor-Cal Supply Co (USA) |
| NAS1124E2H | Plastic and Metal Products Corporation (USA) |
| NAS1124E2H | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| NAS1124E2H | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| NAS1124E2H | 5/9 Secondary reference Lawrence Engineering and Supply Inc |
| NAS1124E2H | 3/2 Design control — primary reference U.S. Government activity |
| NAS1124E2H | 3/2 Design control — primary reference U.S. Government activity |
| NAS1124E2H | 5/9 Secondary reference F and C Sales Inc |
| NAS1124E2H | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| NAS1124E2H | 5/9 Secondary reference U.S. Government activity |
| NAS1124E2H | 3/2 Design control — primary reference U.S. Government activity |
| NAS1124E2H | 5/9 Secondary reference Air Industries Co Inc |
NSN 5305-01-108-7481 is a Screw,close Tolerance, manufactured by Apcom Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-108-7481 has 8 manufacturer part numbers on file: NAS1124E2H (Apcom Inc), NAS1124E2H (Hi-Shear Corporation), NAS1124E2H (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), NAS1124E2H (Qualified Air Components Inc.), NAS1124E2H (Nor-Cal Supply Co) and 3 more.
Key specifications for NAS1124E2H: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Head Height: 0.133 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN. 26 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.