The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-101-4830, 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15 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-101-4830 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Width Across Flats | 8.0 MILLIMETERS NOMINAL MM |
| Head Height | 10.0 MILLIMETERS NOMINAL MM |
| Fastener Length | 55.00 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 1.5 |
| Thread Length | 26.0 MILLIMETERS NOMINAL MM |
| Hardness Rating | 18.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | DIN 267,CL 8.8 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 10.0 MILLIMETERS MM |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Minimum Tensile Strength | 113784 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | HEXAGON |
| Material | STEEL 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 |
|---|---|
| M10X55DIN912-8.8 | 3/9 Design control — primary reference Zelenda Machine and Tools Corp |
| 82139 | 5/2 Secondary reference U.S. Government activity |
| 82139 | 5/9 Secondary reference Drs Environmental Systems Inc |
| 82139 | 5/9 Secondary reference Davey Compressor Co Div of Keco Industries Inc |
| 55055100 | C/1 Advisory reference — outside the item-of-supply concept Hatz Diesel of America Inc |
NSN 5305-01-101-4830 is a Screw,cap,socket Head, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-101-4830: Width Across Flats: 8.0 MILLIMETERS NOMINAL MM; Head Height: 10.0 MILLIMETERS NOMINAL MM; Fastener Length: 55.00 MILLIMETERS NOMINAL MM; Thread Pitch in Millimeters: 1.5. 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.