The Screw,machine, cataloged under National Stock Number 5305-01-178-7322, 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 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-178-7322 |
| Primary Part Number | 10504148 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | General Dynamics Land Systems Canadacorp |
| Status | ACTIVE |
| Screw Surface Treatment | ZINC |
| Fastener Length | 8.00 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 8.0 |
| Thread Length | 3.9 MILLIMETERS NOMINAL MM |
| Hardness Rating | 78.0 ROCKWELL B MINIMUM AND 97.0 ROCKWELL B MAXIMUM |
| Nominal Thread Diameter | 5.0 MILLIMETERS MM |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL PROPERTY CLASS 5.8 |
| Minimum Tensile Strength | 70000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | SLOT |
| Countersink Angle | 90.0 DEGREES NOMINAL |
| Thread Series Designator | M |
| Head Diameter | 9.2 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 |
| Part Number | Manufacturer |
|---|---|
| 10504148 PRIMARY | General Dynamics Land Systems Canadacorp (CAN) |
| ISO2009-M5X8-5.8-A2L | International Organization for Standardization (iso) (CHE) |
| Reference | Meaning |
|---|---|
| DIN963-M5X8-5.8-A2L | 5/9 Secondary reference Din Deutsches Institut Fur Normung Ev |
NSN 5305-01-178-7322 is a Screw,machine, manufactured by General Dynamics Land Systems Canadacorp, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-178-7322 has 2 manufacturer part numbers on file: 10504148 (General Dynamics Land Systems Canadacorp), ISO2009-M5X8-5.8-A2L (International Organization for Standardization (iso)).
Key specifications for 10504148: Screw Surface Treatment: ZINC; Fastener Length: 8.00 MILLIMETERS NOMINAL MM; Thread Pitch in Millimeters: 8.0; Thread Length: 3.9 MILLIMETERS NOMINAL MM. 14 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.