The Setscrew, cataloged under National Stock Number 5305-01-384-0178, 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15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-384-0178 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Width Across Flats | 0.0350 INCHES MINIMUM AND 0.0355 INCHES MAXIMUM IN |
| Point Length | 0.060 INCHES NOMINAL IN |
| Fastener Length | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| Material Document and Classification | AISI 4037 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Point Chamfer Angle | 118.0 DEGREES NOMINAL |
| Nominal Thread Diameter | 0.086 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Point Style | FLAT |
| Color | BLACK OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 56 |
| Material | STEEL COMP 4037 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 |
|---|---|
| 048918-2-4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-384-0178 is a Setscrew, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-384-0178: Width Across Flats: 0.0350 INCHES MINIMUM AND 0.0355 INCHES MAXIMUM IN; Point Length: 0.060 INCHES NOMINAL IN; Fastener Length: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN; Material Document and Classification: AISI 4037 ASSN 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.