The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-579-4147, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Breeze-Eastern Llc. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-579-4147 |
| Primary Part Number | Y1112-6-10F |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Breeze-Eastern Llc |
| Status | ACTIVE |
| Width Across Flats | 0.093 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN |
| Head Height | 0.134 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN |
| Fastener Length | 0.250 INCHES NOMINAL IN |
| Thread Length | 0.250 INCHES NOMINAL IN |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Minimum Yield Strength | 140000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.221 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN |
| 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 |
|---|---|
| Y1112-6-10F | Breeze-Eastern Llc (USA) |
| Reference | Meaning |
|---|---|
| MS35457-6 | 2/2 Government specification standardization U.S. Government activity |
NSN 5305-00-579-4147 is a Screw,cap,socket Head, manufactured by Breeze-Eastern Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-579-4147 has 1 manufacturer part number on file: Y1112-6-10F (Breeze-Eastern Llc).
Key specifications for Y1112-6-10F: Width Across Flats: 0.093 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN; Head Height: 0.134 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN; Fastener Length: 0.250 INCHES NOMINAL IN; Thread Length: 0.250 INCHES NOMINAL IN. 16 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.