The Screw,shoulder, cataloged under National Stock Number 5305-00-936-0331, 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16 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-00-936-0331 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.040 INCHES NOMINAL IN |
| Fastener Length | 0.460 INCHES NOMINAL IN |
| Shoulder Length | 0.032 INCHES MINIMUM AND 0.116 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.104 INCHES MINIMUM AND 0.124 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.187 INCHES MINIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.086 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 56 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.187 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 |
|---|---|
| 7320-939 | 5/9 Secondary reference U.S. Government activity |
| 7320-939 | 3/9 Design control — primary reference Recon/optical, Inc. |
NSN 5305-00-936-0331 is a Screw,shoulder, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-00-936-0331: Head Height: 0.040 INCHES NOMINAL IN; Fastener Length: 0.460 INCHES NOMINAL IN; Shoulder Length: 0.032 INCHES MINIMUM AND 0.116 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Diameter: 0.104 INCHES MINIMUM AND 0.124 INCHES MAXIMUM 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.