The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-145-6940, 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18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-145-6940 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.257 INCHES NOMINAL0.257 INCHES NOMINAL IN |
| Fastener Length | 4.064 INCHES MINIMUM AND 4.064 INCHES MINIMUM AND 4.078 INCHES MAXIMUM4.078 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALLQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALLASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| First Diameter From Head | 0.124 INCHES MINIMUM AND 0.124 INCHES MINIMUM AND 0.129 INCHES MAXIMUM0.129 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.164 INCHES0.164 INCHES IN |
| Head Style | FLAT CHAMFERFLAT CHAMFER |
| Thread Direction | RIGHT-HANDRIGHT-HAND |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 3.689 INCHES MINIMUM AND 3.689 INCHES MINIMUM AND 3.703 INCHES MAXIMUM3.703 INCHES MAXIMUM IN |
| Externally Relieved Body Diameter Quantity | 11 |
| Surface Treatment | PASSIVATE OVERALLPASSIVATE OVERALL |
| Internal Drive Style | SLOTSLOT |
| Thread Class | 2A2A |
| Thread Quantity Per Inch | 3232 |
| Material | STEEL COMP 303 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC)UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.281 INCHES NOMINAL0.281 INCHES NOMINAL 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 |
|---|---|
| SM-B-698433 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-145-6940 is a Screw,externally Relieved Body, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-145-6940: Head Height: 0.257 INCHES NOMINAL0.257 INCHES NOMINAL IN; Fastener Length: 4.064 INCHES MINIMUM AND 4.064 INCHES MINIMUM AND 4.078 INCHES MAXIMUM4.078 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALLQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.375 INCHES NOMINAL0.375 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.