The Screw,shoulder, cataloged under National Stock Number 5305-01-239-5067, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-239-5067 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.125 INCHES NOMINAL IN |
| Fastener Length | 0.563 INCHES NOMINAL IN |
| Shoulder Length | 0.282 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.218 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 0.187 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | PAN NO. 2 |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | SLOT |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | NICKEL ALLOY 400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.375 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 |
| Reference | Meaning |
|---|---|
| 2640-390X3 PIECE 45 | 3/2 Design control — primary reference U.S. Government activity |
| SS845-2050958 PIECE 45 | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-239-5067 is a Screw,shoulder, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-239-5067: Head Height: 0.125 INCHES NOMINAL IN; Fastener Length: 0.563 INCHES NOMINAL IN; Shoulder Length: 0.282 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 0.218 INCHES NOMINAL FIRST SHOULDER IN. 16 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.