The Screw,machine, cataloged under National Stock Number 5305-01-697-1551, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-697-1551 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.218 INCHES NOMINAL IN |
| Fastener Length | 1.250 INCHES NOMINAL IN |
| Screw Material Document and Classification | ASTM B124 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Length | 1.00 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Screw Material | COPPER ALLOY 110 OR COPPER ALLOY 464 OR COPPER ALLOY 630 OR COPPER ALLOY 655 OR COPPER ALLOY 675 |
| Internal Drive Style | SLOT |
| Countersink Angle | 82.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 13 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| E87886-14 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-697-1551 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-697-1551: Head Height: 0.218 INCHES NOMINAL IN; Fastener Length: 1.250 INCHES NOMINAL IN; Screw Material Document and Classification: ASTM B124 ASSN STD SINGLE MATERIAL RESPONSE; Thread Length: 1.00 INCHES NOMINAL IN. 13 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.