The Setscrew, cataloged under National Stock Number 5305-01-379-0519, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-379-0519 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Width Across Flats | 0.093 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN |
| Fastener Length | 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN |
| Thread Length | 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN |
| Material Document and Classification | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Point Style | CUP |
| Locking Feature | PELLET OR PATCH OR STRIP OVERALL |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | A32 |
| Material | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 316 OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| MS18064-44 | 3/2 Design control — primary reference U.S. Government activity |
| MS18064-44 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-379-0519 is a Setscrew, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-379-0519: Width Across Flats: 0.093 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN; Fastener Length: 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN; Thread Length: 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN; Material Document and Classification: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL. 15 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.