The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-465-5451, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-465-5451 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Extended Washer Thickness | 1.1 MILLIMETERS MINIMUM MM |
| Head Height | 6.8 MILLIMETERS MAXIMUM MM |
| External Thread Tolerance Class | 6G G |
| Fastener Length | 49.4 MILLIMETERS MINIMUM AND 50.6 MILLIMETERS MAXIMUM MM |
| Surface Treatment Document and Classification | ASTM B633 TY 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 13.6 MILLIMETERS MAXIMUM MM |
| Thread Pitch in Millimeters | 1.0 |
| Thread Length | 18.0 MILLIMETERS NOMINAL MM |
| Material Document and Classification | SAE J1199 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM F568 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 6.0 MILLIMETERS MM |
| Head Style | HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 7.64 MILLIMETERS MINIMUM AND 8.00 MILLIMETERS MAXIMUM MM |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Material | STEEL PROPERTY CLASS 10.9 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 |
|---|---|
| B18234B06050N | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-465-5451 is a Screw,cap,hexagon Head, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-465-5451: Extended Washer Thickness: 1.1 MILLIMETERS MINIMUM MM; Head Height: 6.8 MILLIMETERS MAXIMUM MM; External Thread Tolerance Class: 6G G; Fastener Length: 49.4 MILLIMETERS MINIMUM AND 50.6 MILLIMETERS MAXIMUM MM. 16 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.