The Setscrew, cataloged under National Stock Number 5305-01-609-3259, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-609-3259 |
| Primary Part Number | 92785A439 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Width Across Flats | 0.125 INCHES NOMINAL IN |
| Head Height | 0.00001 INCHES NOMINAL IN |
| Fastener Length | 0.75 INCHES NOMINAL IN |
| Thread Length | 0.75 INCHES NOMINAL IN |
| Point Chamfer Angle | 90.0 DEGREES NOMINAL |
| Nominal Thread Diameter | 0.25 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Point Style | CONE |
| Width Between Flats | 0.125 INCHES NOMINAL IN |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL PROPERTY CLASS 18.8 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 |
| Part Number | Manufacturer |
|---|---|
| 92785A439 PRIMARY | Mcmaster-Carr Supply Co (USA) |
NSN 5305-01-609-3259 is a Setscrew, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-609-3259 has 1 manufacturer part number on file: 92785A439 (Mcmaster-Carr Supply Co).
Key specifications for 92785A439: Width Across Flats: 0.125 INCHES NOMINAL IN; Head Height: 0.00001 INCHES NOMINAL IN; Fastener Length: 0.75 INCHES NOMINAL IN; Thread Length: 0.75 INCHES NOMINAL IN. 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.