The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-287-1585, 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15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-287-1585 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 6.9 MILLIMETERS NOMINAL MM |
| External Thread Tolerance Class | 6G G |
| Surface Treatment Document and Classification | QQ-P-416 TY 2 CLASS 3 FED SPEC 1ST TREATMENT RESPONSE OR G-6174M CAGE 72582 MFR REF 2ND TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 14.2 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 1.0 |
| Thread Length | 14.0 MILLIMETERS MINIMUM AND 16.0 MILLIMETERS MAXIMUM MM |
| Hardness Rating | 27.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 6.0 MILLIMETERS MM |
| Head Style | HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 8.0 MILLIMETERS NOMINAL MM |
| Surface Treatment | CADMIUM AND CHROMATE OR PHOSPHATE OVERALL |
| Minimum Tensile Strength | 900 MEGAPASCALS |
| Material | STEEL PROPERTY CLASS 9.8 OVERALL |
| Thread Series Designator | M |
| 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 |
|---|---|
| 20511190 | 3/9 Design control — primary reference Military Trucks & Parts, Inc. |
| 20511190 | 5/9 Secondary reference Harsco Corporation Dba B M Y Wyne Wheled Vehicles Div |
NSN 5305-01-287-1585 is a Screw,cap,hexagon Head, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-287-1585: Head Height: 6.9 MILLIMETERS NOMINAL MM; External Thread Tolerance Class: 6G G; Surface Treatment Document and Classification: QQ-P-416 TY 2 CLASS 3 FED SPEC 1ST TREATMENT RESPONSE OR G-6174M CAGE 72582 MFR REF 2ND TREATMENT RESPONSE OVERALL; Extended Washer Diameter: 14.2 MILLIMETERS NOMINAL MM. 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.