The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-142-2141, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is H-K Connecticut Holding Company. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-142-2141 |
| Primary Part Number | 60012 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | H-K Connecticut Holding Company |
| Status | ACTIVE |
| Width Across Flats | 0.078 INCHES NOMINAL IN |
| Fastener Length | 0.250 INCHES NOMINAL IN |
| Thread Length | 0.250 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.125 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 40 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNRC |
| 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 |
|---|---|
| PWA51721-9 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 60012 PRIMARY | H-K Connecticut Holding Company (USA) |
NSN 5305-01-142-2141 is a Screw,cap,socket Head, manufactured by H-K Connecticut Holding Company, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-142-2141 has 2 manufacturer part numbers on file: PWA51721-9 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 60012 (H-K Connecticut Holding Company).
Key specifications for 60012: Width Across Flats: 0.078 INCHES NOMINAL IN; Fastener Length: 0.250 INCHES NOMINAL IN; Thread Length: 0.250 INCHES NOMINAL IN; Nominal Thread Diameter: 0.125 INCHES IN. 11 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.