The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-679-1893, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Tru-Hitch, Inc.. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-679-1893 |
| Primary Part Number | 00668 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Tru-Hitch, Inc. |
| Status | ACTIVE |
| Head Height | 0.125 INCHES NOMINAL IN |
| Fastener Length | 0.50 INCHES NOMINAL IN |
| Thread Length | 0.50 INCHES NOMINAL IN |
| Hardness Rating | 33.0 ROCKWELL C NOMINAL OVERALL |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CHROMATE ZINC OVERALL |
| Minimum Tensile Strength | 150000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5305-01-679-1893 is a Screw,cap,hexagon Head, manufactured by Tru-Hitch, Inc., classified under FSC 5305, Screws. Status: active.
NSN 5305-01-679-1893 has 2 manufacturer part numbers on file: 00668 (Tru-Hitch, Inc.), 92620A416 (Mcmaster-Carr Supply Co).
Key specifications for 00668: Head Height: 0.125 INCHES NOMINAL IN; Fastener Length: 0.50 INCHES NOMINAL IN; Thread Length: 0.50 INCHES NOMINAL IN; Hardness Rating: 33.0 ROCKWELL C NOMINAL OVERALL. 12 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.