The Screw,shoulder, cataloged under National Stock Number 5305-00-239-8580, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Raytheon Company Dba Raytheon Co. Government technical data includes 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-239-8580 |
| Primary Part Number | 685038-1 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Head Height | 0.250 INCHES NOMINAL IN |
| Fastener Length | 2.270 INCHES NOMINAL IN |
| Shoulder Length | 1.895 INCHES NOMINAL FIRST SHOULDER IN |
| Surface Treatment Document and Classification | CV-2.2,FSCM 49956 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.562 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 0.375 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Hole Configuration Style | ROUND |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CADMIUM OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 4340 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Hole Type | DRILLED |
| Hole Diameter | 0.090 INCHES NOMINAL IN |
| Head Diameter | 0.875 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 |
NSN 5305-00-239-8580 is a Screw,shoulder, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-239-8580 has 2 manufacturer part numbers on file: 685038-1 (Raytheon Company), 685038-1 (Raytheon Company Dba Raytheon Co).
Key specifications for 685038-1: Head Height: 0.250 INCHES NOMINAL IN; Fastener Length: 2.270 INCHES NOMINAL IN; Shoulder Length: 1.895 INCHES NOMINAL FIRST SHOULDER IN; Surface Treatment Document and Classification: CV-2.2,FSCM 49956 MFR REF SINGLE TREATMENT RESPONSE OVERALL. 20 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.