The Setscrew, cataloged under National Stock Number 5305-00-421-7772, 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17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-421-7772 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Point Diameter | 0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN |
| Width Across Flats | 0.050 INCHES NOMINAL IN |
| Point Length | 0.170 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN |
| Fastener Length | 0.445 INCHES MINIMUM AND 0.475 INCHES MAXIMUM IN |
| Thread Length | 0.245 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN |
| Material Document and Classification | 25,FSCM 70787 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Point Chamfer Angle | 60.0 DEGREES NOMINAL |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Point Style | CONE |
| Locking Feature | PELLET THREADS |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 40 |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 115G6 | 3/9 Design control — primary reference Schenck Pegasus Corporation |
NSN 5305-00-421-7772 is a Setscrew, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-00-421-7772: Point Diameter: 0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN; Width Across Flats: 0.050 INCHES NOMINAL IN; Point Length: 0.170 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN; Fastener Length: 0.445 INCHES MINIMUM AND 0.475 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.