The Screw,shoulder, cataloged under National Stock Number 5305-01-042-8832, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-042-8832 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.035 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN |
| Fastener Length | 0.730 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN |
| Shoulder Length | 0.214 INCHES MINIMUM AND 0.224 INCHES MAXIMUM SECOND SHOULDER IN |
| Shoulder Length | 0.262 INCHES MINIMUM AND 0.266 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.186 INCHES MINIMUM AND 0.187 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.155 INCHES MINIMUM AND 0.156 INCHES MAXIMUM SECOND SHOULDER IN |
| Thread Length | 0.240 INCHES MINIMUM AND 0.264 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND SECOND SHOULDER |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Hardness Rating | 38.0 ROCKWELL C NOMINAL OVERALL |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CHROMIUM OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 40 |
| Material | STEEL COMP 4140 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.250 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 |
|---|---|
| 4472C168 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-042-8832 is a Screw,shoulder, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-042-8832: Head Height: 0.035 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN; Fastener Length: 0.730 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN; Shoulder Length: 0.214 INCHES MINIMUM AND 0.224 INCHES MAXIMUM SECOND SHOULDER IN; Shoulder Length: 0.262 INCHES MINIMUM AND 0.266 INCHES MAXIMUM FIRST SHOULDER IN. 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.