The Screw,externally Relieved Body, cataloged under National Stock Number 5305-00-985-0779, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-985-0779 |
| 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 | 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.300 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN |
| First Diameter From Head | 0.125 INCHES MINIMUM AND 0.135 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 | 0.425 INCHES MINIMUM AND 0.455 INCHES MAXIMUM IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| 0N096837 | 3/2 Design control — primary reference U.S. Government activity |
| 0N124096 | 5/2 Secondary reference U.S. Government activity |
NSN 5305-00-985-0779 is a Screw,externally Relieved Body, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-00-985-0779: Head Height: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN; Fastener Length: 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.300 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN. 17 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.