The Screw,close Tolerance, cataloged under National Stock Number 5305-00-182-9571, 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 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-182-9571 |
| Primary Part Number | NAS1122C5H |
| 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 | 0.088 INCHES MINIMUM AND 0.102 INCHES MAXIMUM IN |
| Fastener Length | 0.573 INCHES MINIMUM AND 0.603 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.251 INCHES MINIMUM AND 0.301 INCHES MAXIMUM IN |
| Hardness Rating | 248.0 BRINELL STANDARD MINIMUM AND 341.0 BRINELL STANDARD MAXIMUM OVERALL |
| Hole Configuration Style | ROUND |
| Material Document and Classification | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS1122 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Grip Length | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN |
| Grip Diameter | 0.1625 INCHES MINIMUM AND 0.1635 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 | 32 |
| Material | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNJC |
| Hole Type | DRILLED |
| Hole Diameter | 0.038 INCHES NOMINAL IN |
| Head Diameter | 0.265 INCHES MINIMUM AND 0.270 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 |
|---|---|
| NAS1122C5H | Plastic and Metal Products Corporation (USA) |
| NAS1122C5H PRIMARY | Apcom Inc (USA) |
| NAS1122C5H PRIMARY | Hi-Shear Corporation (USA) |
| NAS1122C5H | Nor-Cal Supply Co (USA) |
| NAS1122C5H PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| NAS1122C5H PRIMARY | Qualified Air Components Inc. (USA) |
| NAS1122C5H PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| Reference | Meaning |
|---|---|
| NAS1122C5H | 5/9 Secondary reference Air Industries Co Inc |
| NAS1122C5H | 3/2 Design control — primary reference U.S. Government activity |
| NAS1122C5H | 3/2 Design control — primary reference U.S. Government activity |
| NAS1122C5H | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| NAS1122C5H | 3/2 Design control — primary reference U.S. Government activity |
| NAS1122C5H | 5/9 Secondary reference U.S. Government activity |
| NAS1122C5H | 5/9 Secondary reference F and C Sales Inc |
| NAS1122C5H | 5/9 Secondary reference Lawrence Engineering and Supply Inc |
| NAS1122C5H | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
NSN 5305-00-182-9571 is a Screw,close Tolerance, manufactured by Apcom Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-182-9571 has 7 manufacturer part numbers on file: NAS1122C5H (Plastic and Metal Products Corporation), NAS1122C5H (Apcom Inc), NAS1122C5H (Hi-Shear Corporation), NAS1122C5H (Nor-Cal Supply Co), NAS1122C5H (Fastener Innovation Technology, Inc. Dba F I T) and 2 more.
Key specifications for NAS1122C5H: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Head Height: 0.088 INCHES MINIMUM AND 0.102 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.