The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-534-5893, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Industrial Technologies and Services Llc. Government technical data includes 5 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 | 5305-01-534-5893 |
| Primary Part Number | 21249 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Industrial Technologies and Services Llc |
| Status | ACTIVE |
| Fastener Length | 0.312 INCHES NOMINAL IN |
| Thread Length | 1.000 INCHES NOMINAL IN |
| Supplementary Features | 5/16-18 X1 |
| Thread Direction | RIGHT-HAND |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| 21249 PRIMARY | Industrial Technologies and Services Llc (USA) |
NSN 5305-01-534-5893 is a Screw,cap,socket Head, manufactured by Industrial Technologies and Services Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-534-5893 has 1 manufacturer part number on file: 21249 (Industrial Technologies and Services Llc).
Key specifications for 21249: Fastener Length: 0.312 INCHES NOMINAL IN; Thread Length: 1.000 INCHES NOMINAL IN; Supplementary Features: 5/16-18 X1; Thread Direction: RIGHT-HAND. 5 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.