The Screw,close Tolerance, cataloged under National Stock Number 5305-00-855-7964, 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 19 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-00-855-7964 |
| Primary Part Number | NAS1123C2 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Apcom Inc |
| Status | ACTIVE |
| Head Height | 0.103 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN |
| Fastener Length | 0.386 INCHES MINIMUM AND 0.416 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 |
| Material Document and Classification | AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS1123 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Grip Length | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| Grip Diameter | 0.1885 INCHES MINIMUM AND 0.1895 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 | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.306 INCHES MINIMUM AND 0.313 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 |
|---|---|
| NAS1123C2 | Nor-Cal Supply Co (USA) |
| NAS1123C2 PRIMARY | Apcom Inc (USA) |
| NAS1123C2 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| NAS1123C2 | Plastic and Metal Products Corporation (USA) |
| NAS1123C2 PRIMARY | Qualified Air Components Inc. (USA) |
| NAS1123C2 PRIMARY | Huck International, Inc (USA) |
| NAS1123C2 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| NAS1123C2 PRIMARY | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| NAS1123C2 | 3/2 Design control — primary reference U.S. Government activity |
| NAS1123C2 | 5/9 Secondary reference U.S. Government activity |
| NAS1123C2 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| NAS11232C2 | 5/9 Secondary reference Air Industries Co Inc |
| NAS1123C2 | 3/2 Design control — primary reference U.S. Government activity |
| NAS1123C2 | 3/2 Design control — primary reference U.S. Government activity |
| NAS1123C2 | 5/9 Secondary reference Lawrence Engineering and Supply Inc |
| NAS1123C2 | 5/9 Secondary reference F and C Sales Inc |
NSN 5305-00-855-7964 is a Screw,close Tolerance, manufactured by Apcom Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-855-7964 has 8 manufacturer part numbers on file: NAS1123C2 (Nor-Cal Supply Co), NAS1123C2 (Apcom Inc), NAS1123C2 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), NAS1123C2 (Plastic and Metal Products Corporation), NAS1123C2 (Qualified Air Components Inc.) and 3 more.
Key specifications for NAS1123C2: Head Height: 0.103 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN; Fastener Length: 0.386 INCHES MINIMUM AND 0.416 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. 19 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.