The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-674-1064, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is General Motors Corp. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-674-1064 |
| Primary Part Number | 11508885 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | General Motors Corp |
| Status | ACTIVE |
| Extended Washer Thickness | 0.8 MILLIMETERS NOMINAL MM |
| Head Height | 6.0 MILLIMETERS NOMINAL MM |
| Fastener Length | 12.56 MILLIMETERS MINIMUM AND 13.44 MILLIMETERS MAXIMUM MM |
| Extended Washer Diameter | 13.5 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 1.0 |
| Thread Length | 12.56 MILLIMETERS MINIMUM AND 13.44 MILLIMETERS MAXIMUM MM |
| Material Document and Classification | ASTM F568M AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 6.0 MILLIMETERS MM |
| Head Style | HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 10.0 MILLIMETERS NOMINAL MM |
| Locking Feature | PATCH THREADS |
| Surface Treatment | PHOSPHATE OVERALL |
| Thread Class | 6G G |
| 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 |
NSN 5305-01-674-1064 is a Screw,cap,hexagon Head, manufactured by General Motors Corp, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-674-1064 has 2 manufacturer part numbers on file: 4350954 (Fastenal Company Dba Fastenal Co), 11508885 (General Motors Corp).
Key specifications for 11508885: Extended Washer Thickness: 0.8 MILLIMETERS NOMINAL MM; Head Height: 6.0 MILLIMETERS NOMINAL MM; Fastener Length: 12.56 MILLIMETERS MINIMUM AND 13.44 MILLIMETERS MAXIMUM MM; Extended Washer Diameter: 13.5 MILLIMETERS NOMINAL 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.