The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-164-3398, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is General Dynamics Land Systems Canadacorp. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-164-3398 |
| Primary Part Number | 10504048 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | General Dynamics Land Systems Canadacorp |
| Status | ACTIVE |
| Head Height | 8.0 MILLIMETERS NOMINAL MM |
| Fastener Length | 55.00 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 1.75 |
| Thread Length | 25.0 MILLIMETERS MINIMUM AND 55.0 MILLIMETERS MAXIMUM MM |
| Hardness Rating | 18.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 12.0 MILLIMETERS MM |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 19.0 MILLIMETERS NOMINAL MM |
| Surface Treatment | ZINC OVERALL |
| Minimum Tensile Strength | 113784 POUNDS PER SQUARE INCH LBS |
| Material | STEEL PROPERTY CLASS 8.8 OVERALL |
| Thread Series Designator | M |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| DIN931M12X55-8.8-A3L | Din Deutsches Institut Fur Normung Ev (DEU) |
| 10504048 PRIMARY | General Dynamics Land Systems Canadacorp (CAN) |
| Reference | Meaning |
|---|---|
| 718-1079 | C/1 Advisory reference — outside the item-of-supply concept Cummins Power Generation Inc. |
NSN 5305-01-164-3398 is a Screw,cap,hexagon Head, manufactured by General Dynamics Land Systems Canadacorp, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-164-3398 has 2 manufacturer part numbers on file: DIN931M12X55-8.8-A3L (Din Deutsches Institut Fur Normung Ev), 10504048 (General Dynamics Land Systems Canadacorp).
Key specifications for 10504048: Head Height: 8.0 MILLIMETERS NOMINAL MM; Fastener Length: 55.00 MILLIMETERS NOMINAL MM; Thread Pitch in Millimeters: 1.75; Thread Length: 25.0 MILLIMETERS MINIMUM AND 55.0 MILLIMETERS MAXIMUM MM. 13 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.