The Setscrew, cataloged under National Stock Number 5305-01-209-0778, 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18 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-209-0778 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Point Diameter | 0.310 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN |
| Head Height | 0.234 INCHES NOMINAL IN |
| Point Length | 0.156 INCHES NOMINAL IN |
| Fastener Length | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY2,CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.344 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Point Style | DOG |
| Width Between Flats | 0.562 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP 12L14 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 |
|---|---|
| 5035529-1 | 3/2 Design control — primary reference U.S. Government activity |
| 5035529-1 | 5/9 Secondary reference Signals Warfare Project Manager |
NSN 5305-01-209-0778 is a Setscrew, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-209-0778: Point Diameter: 0.310 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN; Head Height: 0.234 INCHES NOMINAL IN; Point Length: 0.156 INCHES NOMINAL IN; Fastener Length: 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM 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.