The Screw,close Tolerance, cataloged under National Stock Number 5305-00-754-3058, 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 6 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-00-754-3058 |
| Primary Part Number | NAS1203-10 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Apcom Inc |
| Status | ACTIVE |
| Fastener Length | 0.886 INCHES MINIMUM AND 0.916 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.251 INCHES MINIMUM AND 0.301 INCHES MAXIMUM IN |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS1203 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Grip Length | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN |
| Grip Diameter | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 6150 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.328 INCHES MINIMUM AND 0.385 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 |
|---|---|
| NAS1203-10 PRIMARY | Apcom Inc (USA) |
| NAS1203-10 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| NAS1203-10 PRIMARY | Eriks Southwest Inc Dba Montclair Enterprises (USA) |
| NAS1203-10 PRIMARY | Hi-Shear Corporation (USA) |
| NAS1203-10 | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| NAS1203-10 | Nor-Cal Supply Co (USA) |
| Reference | Meaning |
|---|---|
| NAS1203-10 | 3/2 Design control — primary reference U.S. Government activity |
| NAS1203-10 | 5/9 Secondary reference Lawrence Engineering and Supply Inc |
| NAS1203-10 | 5/9 Secondary reference Cloyes Gear and Products Inc |
| NAS1203-10 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| NAS1203-10 | 5/9 Secondary reference U.S. Government activity |
| NAS1203-10 | 3/2 Design control — primary reference U.S. Government activity |
| NAS1203-10 | 5/9 Secondary reference F and C Sales Inc |
| NAS1203-10 | 5/9 Secondary reference Air Industries Co Inc |
NSN 5305-00-754-3058 is a Screw,close Tolerance, manufactured by Apcom Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-754-3058 has 6 manufacturer part numbers on file: NAS1203-10 (Apcom Inc), NAS1203-10 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), NAS1203-10 (Eriks Southwest Inc Dba Montclair Enterprises), NAS1203-10 (Hi-Shear Corporation), NAS1203-10 (Fairchild Fasteners Europe - Vsd Gmbh) and 1 more.
Key specifications for NAS1203-10: Fastener Length: 0.886 INCHES MINIMUM AND 0.916 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.251 INCHES MINIMUM AND 0.301 INCHES MAXIMUM IN; Hardness Rating: 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL. 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.