The Setscrew, cataloged under National Stock Number 5305-01-309-4774, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-309-4774 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Point Length | 0.438 INCHES NOMINAL IN |
| Fastener Length | 1.812 INCHES NOMINAL IN |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Point Style | BALL |
| Internal Drive Style | SLOT |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 13 |
| Material | STEEL COMP 303 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 |
|---|---|
| 1645097 PIECE 14 | 3/2 Design control — primary reference U.S. Government activity |
| 805-1645097 PIECE 14 | 5/9 Secondary reference U.S. Government activity |
| 5305PL1290635 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 803-1645098 PIECE 14 | 5/9 Secondary reference U.S. Government activity |
| 1645098 PIECE 14 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5305-01-309-4774 is a Setscrew, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-309-4774: Point Length: 0.438 INCHES NOMINAL IN; Fastener Length: 1.812 INCHES NOMINAL IN; Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Nominal Thread Diameter: 0.500 INCHES IN. 12 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.