The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-666-3516, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-666-3516 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Thread Length | 0.75 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.2500 INCHES IN |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Thread Quantity Per Inch | 20 |
| 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 |
|---|---|
| 325-016 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-666-3516 is a Screw,cap,socket Head, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-666-3516: Thread Length: 0.75 INCHES NOMINAL IN; Nominal Thread Diameter: 0.2500 INCHES IN; Surface Treatment: CADMIUM OR ZINC OVERALL; Part Name Assigned by Controlling Agency: FLAT HEAD SOCKET CAP SCREW. 4 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.