The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-031-1014, 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18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-031-1014 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN |
| Fastener Length | 0.595 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.250 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| First Diameter From Head | 0.112 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.345 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 303 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.306 INCHES MINIMUM AND 0.322 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 |
|---|---|
| 878374-7 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-031-1014 is a Screw,externally Relieved Body, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-031-1014: Head Height: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN; Fastener Length: 0.595 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.250 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.