The Setscrew, cataloged under National Stock Number 5305-01-563-2888, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-563-2888 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Point Diameter | 0.194 INCHES MINIMUM AND 0.212 INCHES MAXIMUM IN |
| Head Height | 0.270 INCHES MINIMUM AND 0.293 INCHES MAXIMUM IN |
| Fastener Length | 1.520 INCHES MINIMUM AND 1.543 INCHES MAXIMUM IN |
| Thread Length | 1.045 INCHES MINIMUM AND 1.107 INCHES MAXIMUM IN |
| Point Chamfer Angle | 118.0 DEGREES NOMINAL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | SQUARE |
| Thread Direction | RIGHT-HAND |
| Point Style | CUP |
| Width Between Flats | 0.362 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 1010 AND STEEL COMP 1020 AND STEEL COMP 1038 OVERALL |
| 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 |
|---|---|
| MS51054-39 | 2/2 Government specification standardization U.S. Government activity |
NSN 5305-01-563-2888 is a Setscrew, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-563-2888: Point Diameter: 0.194 INCHES MINIMUM AND 0.212 INCHES MAXIMUM IN; Head Height: 0.270 INCHES MINIMUM AND 0.293 INCHES MAXIMUM IN; Fastener Length: 1.520 INCHES MINIMUM AND 1.543 INCHES MAXIMUM IN; Thread Length: 1.045 INCHES MINIMUM AND 1.107 INCHES MAXIMUM IN. 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.