The Screw,machine, cataloged under National Stock Number 5305-01-663-7212, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-663-7212 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.159 INCHES NOMINAL IN |
| Screw Surface Treatment | CADMIUM |
| Fastener Length | 2.625 INCHES NOMINAL IN |
| Thread Length | 0.625 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Surface Treatment | CADMIUM |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Head Surface Treatment Document and Classification | AMS-QQ-P-416 TYPE II CLASS 2 ASSN STD SINGLE TREATMENT RESPONSE |
| Screw Material | STEEL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.748 INCHES MINIMUM AND 0.766 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | AMS-QQ-P-416 TYPE II CLASS 2 ASSN STD SINGLE TREATMENT RESPONSE |
| 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 |
|---|---|
| NAS517-6-32 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-663-7212 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-663-7212: Head Height: 0.159 INCHES NOMINAL IN; Screw Surface Treatment: CADMIUM; Fastener Length: 2.625 INCHES NOMINAL IN; Thread Length: 0.625 INCHES NOMINAL IN. 17 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.