The Screw,close Tolerance, cataloged under National Stock Number 5305-01-612-8000, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-612-8000 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN |
| Fastener Length | 0.730 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | -QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.323 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5853 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN |
| Grip Diameter | 0.163 INCHES NOMINAL IN |
| Nonstandard Thread Pitch Diameter | +0.132 TO 0.164 INCHES IN |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | CRUCIFORM RIBBED |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.306 INCHES MINIMUM AND 0.322 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 |
| Reference | Meaning |
|---|---|
| NAS7802U5 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-612-8000 is a Screw,close Tolerance, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-612-8000: Head Height: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN; Fastener Length: 0.730 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN; Surface Treatment Document and Classification: -QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.323 INCHES NOMINAL IN. 17 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.