The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-708-0590, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-708-0590 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Spline Minor Diameter | 3.25 MILLIMETERS NOMINAL MM |
| Fastener Length | 8.0 MILLIMETERS NOMINAL MM |
| Thread Length | 5.30 MILLIMETERS NOMINAL MM |
| Spline Major Diameter | 4.05 MILLIMETERS NOMINAL MM |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | BLACK OXIDE OVERALL |
| Internal Drive Style | TORX |
| Countersink Angle | 90.0 DEGREES NOMINAL |
| Material | STEEL OVERALL |
| Thread Series Designator | M |
| Head Diameter | 9.30 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| 003-008-127B-TX | 2/2 Government specification standardization U.S. Government activity |
NSN 5305-01-708-0590 is a Screw,cap,socket Head, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-708-0590: Spline Minor Diameter: 3.25 MILLIMETERS NOMINAL MM; Fastener Length: 8.0 MILLIMETERS NOMINAL MM; Thread Length: 5.30 MILLIMETERS NOMINAL MM; Spline Major Diameter: 4.05 MILLIMETERS NOMINAL MM. 12 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.