The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-433-8473, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-433-8473 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Width Across Flats | 5.0 MILLIMETERS NOMINAL MM |
| External Thread Tolerance Class | 6G G |
| Fastener Length | 25.0 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 1.25 |
| Thread Length | 22.0 MILLIMETERS NOMINAL MM |
| Nominal Thread Diameter | 8.0 MILLIMETERS MM |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Color | BLACK OVERALL |
| Minimum Tensile Strength | 142000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | HEXAGON |
| Countersink Angle | 90.0 DEGREES NOMINAL |
| Material | STEEL PROPERTY CLASS 10.9 OVERALL |
| Thread Series Designator | M |
| Head Diameter | 16.0 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 |
|---|---|
| 456651004002 | 5/9 Secondary reference Ncb Hungary (honvedsegi Egyseges Termekkod) |
| DIN 7991-88 8X25 | 3/9 Design control — primary reference Metric and Multistandard Components Corp |
| DIN7991-M8X25-8.8 | 5/9 Secondary reference Din Deutsches Institut Fur Normung Ev |
| DIN7991-M8X25-8.8 | 5/9 Secondary reference Metric and Multistandard Components Corp |
NSN 5305-01-433-8473 is a Screw,cap,socket Head, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-433-8473: Width Across Flats: 5.0 MILLIMETERS NOMINAL MM; External Thread Tolerance Class: 6G G; Fastener Length: 25.0 MILLIMETERS NOMINAL MM; Thread Pitch in Millimeters: 1.25. 15 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.