The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-370-6953, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-370-6953 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.591 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN |
| Fastener Length | 10.000 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-P-23377 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-P-85582 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-C-83286 MIL SPEC 2ND TREATMENT RESPONSE HEAD |
| Thread Length | 5.670 INCHES NOMINAL IN |
| Material Document and Classification | MIL-S-5000 COND E1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 1.000 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.427 INCHES MINIMUM AND 1.440 INCHES MAXIMUM IN |
| Surface Treatment | PLASTIC EPOXY AND PLASTIC POLYURETHANE HEAD |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 12 |
| Material | STEEL COMP 4340 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Reference | Meaning |
|---|---|
| DAA7257G822-023 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-370-6953 is a Screw,cap,hexagon Head, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-370-6953: Head Height: 0.591 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN; Fastener Length: 10.000 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-P-23377 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-P-85582 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-C-83286 MIL SPEC 2ND TREATMENT RESPONSE HEAD; Thread Length: 5.670 INCHES NOMINAL IN. 15 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.