The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-658-6384, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Ian Edgar (liverpool) Ltd, T/a Edgar Brothers. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-658-6384 |
| Primary Part Number | 2400449 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Ian Edgar (liverpool) Ltd, T/a Edgar Brothers |
| Status | ACTIVE |
| Head Height | 0.133 INCHES NOMINAL IN |
| Fastener Length | 0.633 INCHES NOMINAL IN |
| Thread Length | 0.500 INCHES NOMINAL IN |
| Color | BLACK OVERALL |
| Surface Treatment | OXIDE OVERALL |
| Thread Class | 3A A |
| Head Diameter | 0.373 INCHES NOMINAL 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 |
|---|---|
| 2400449 | Ian Edgar (liverpool) Ltd, T/a Edgar Brothers (GBR) |
| Reference | Meaning |
|---|---|
| 2400449 | 3/9 Design control — primary reference Sig Sauer Inc. |
NSN 5305-01-658-6384 is a Screw,cap,socket Head, manufactured by Ian Edgar (liverpool) Ltd, T/a Edgar Brothers, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-658-6384 has 1 manufacturer part number on file: 2400449 (Ian Edgar (liverpool) Ltd, T/a Edgar Brothers).
Key specifications for 2400449: Head Height: 0.133 INCHES NOMINAL IN; Fastener Length: 0.633 INCHES NOMINAL IN; Thread Length: 0.500 INCHES NOMINAL IN; Color: BLACK 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.