The Setscrew, cataloged under National Stock Number 5305-01-671-0125, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Mcmellon Bros., Incorporated Dba Mc Mellon Brothers Inc. 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 | 5305-01-671-0125 |
| Primary Part Number | 92785A110 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Mcmellon Bros., Incorporated Dba Mc Mellon Brothers Inc |
| Status | ACTIVE |
| Width Across Flats | 0.050 INCHES NOMINAL IN |
| Fastener Length | 0.125 INCHES NOMINAL IN |
| Thread Length | 0.125 INCHES NOMINAL IN |
| Hardness Rating | 80.0 ROCKWELL B NOMINAL OVERALL |
| Point Chamfer Angle | 118.0 DEGREES NOMINAL |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Point Style | CONE |
| Width Between Flats | 0.112 INCHES NOMINAL IN |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 40 |
| Material | STEEL COMP 302 OR STEEL COMP 304 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 |
|---|---|
| 92785A110 PRIMARY | Mcmellon Bros., Incorporated Dba Mc Mellon Brothers Inc (USA) |
NSN 5305-01-671-0125 is a Setscrew, manufactured by Mcmellon Bros., Incorporated Dba Mc Mellon Brothers Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-671-0125 has 1 manufacturer part number on file: 92785A110 (Mcmellon Bros., Incorporated Dba Mc Mellon Brothers Inc).
Key specifications for 92785A110: Width Across Flats: 0.050 INCHES NOMINAL IN; Fastener Length: 0.125 INCHES NOMINAL IN; Thread Length: 0.125 INCHES NOMINAL IN; Hardness Rating: 80.0 ROCKWELL B NOMINAL 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.