The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-428-6341, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 7 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 | 5305-01-428-6341 |
| Primary Part Number | IC-2458 REV F PC NO 55 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Fastener Length | 2.500 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PHOSPHATE OVERALL |
| Thread Quantity Per Inch | 13 |
| Material | STEEL 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 |
|---|---|
| IC-2458 REV F PC NO 55 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| IC-2458 REV F PC NO 55 | Toolex, Inc Dba Toolex Inc (USA) |
NSN 5305-01-428-6341 is a Screw,cap,socket Head, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-428-6341 has 2 manufacturer part numbers on file: IC-2458 REV F PC NO 55 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), IC-2458 REV F PC NO 55 (Toolex, Inc Dba Toolex Inc).
Key specifications for IC-2458 REV F PC NO 55: Fastener Length: 2.500 INCHES NOMINAL IN; Nominal Thread Diameter: 0.500 INCHES IN; Thread Direction: RIGHT-HAND; Surface Treatment: PHOSPHATE OVERALL. 7 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.