The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-425-3053, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-425-3053 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Width Across Flats | 0.063 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN |
| Head Height | 0.096 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN |
| Fastener Length | 0.405 INCHES NOMINAL IN |
| Thread Length | 0.140 INCHES NOMINAL IN |
| First Diameter From Head | 0.097 INCHES MINIMUM AND 0.101 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of Second Diameter | 0.265 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.099 INCHES IN |
| Head Style | FLAT FILLISTER |
| Thread Direction | RIGHT-HAND |
| Second Diameter From Head | 0.070 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN |
| Externally Relieved Body Diameter Quantity | 2 |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 48 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.166 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 7360035-01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-425-3053 is a Screw,externally Relieved Body, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-425-3053: Width Across Flats: 0.063 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN; Head Height: 0.096 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN; Fastener Length: 0.405 INCHES NOMINAL IN; Thread Length: 0.140 INCHES NOMINAL IN. 18 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.