The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-052-5807, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 24 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-052-5807 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Fourth Diameter From Head | 0.083 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN |
| Head Height | 0.080 INCHES NOMINAL IN |
| Fastener Length | 0.356 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.116 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A582 COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| First Diameter From Head | 0.186 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of Second Diameter | 0.173 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Distance From Largest Bearing Surface of Head to End of Third Diameter | 0.200 INCHES NOMINAL IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Second Diameter From Head | 0.174 INCHES MINIMUM AND 0.177 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.157 INCHES MINIMUM AND 0.167 INCHES MAXIMUM IN |
| Externally Relieved Body Diameter Quantity | 4 |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 303 OVERALL |
| Distance From Largest Bearing Surface of Head to End of Fourth Diameter | 0.240 INCHES NOMINAL IN |
| Third Diameter From Head | 0.186 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.295 INCHES MINIMUM AND 0.305 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 |
|---|---|
| 533R667H01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-052-5807 is a Screw,externally Relieved Body, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-052-5807: Fourth Diameter From Head: 0.083 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN; Head Height: 0.080 INCHES NOMINAL IN; Fastener Length: 0.356 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 24 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.