The Screw,shoulder, cataloged under National Stock Number 5305-00-680-5706, 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16 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-00-680-5706 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.250 INCHES NOMINAL IN |
| Fastener Length | 0.375 INCHES NOMINAL IN |
| Shoulder Length | 0.250 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.344 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 0.500 INCHES MINIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.750 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 |
|---|---|
| 183-00-00-15 | 5/9 Secondary reference U.S. Government activity |
| 183-00-00-15 | 3/9 Design control — primary reference Litton Systems Inc Amecom Div |
NSN 5305-00-680-5706 is a Screw,shoulder, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-00-680-5706: Head Height: 0.250 INCHES NOMINAL IN; Fastener Length: 0.375 INCHES NOMINAL IN; Shoulder Length: 0.250 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 0.344 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.