The Screw,machine, cataloged under National Stock Number 5305-01-434-0499, 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 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-434-0499 |
| Primary Part Number | 10558246 FIND 20 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | General Dynamics Land Systems Canadacorp |
| Status | ACTIVE |
| Head Height | 5.6 MILLIMETERS MINIMUM AND 6.0 MILLIMETERS MAXIMUM MM |
| External Thread Tolerance Class | A6G |
| Screw Surface Treatment | ZINC |
| Fastener Length | 25.0 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 1.25 |
| Thread Length | 22.5 MILLIMETERS NOMINAL MM |
| Nominal Thread Diameter | 8.0 MILLIMETERS MM |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL PROPERTY CLASS 9.8 |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Series Designator | M |
| Head Diameter | 15.5 MILLIMETERS MINIMUM AND 16.0 MILLIMETERS MAXIMUM MM |
| Screw Surface Treatment Document and Classification | ASTMB633, FE/ZN5, TY2 ASSN STD SINGLE TREATMENT RESPONSE |
| 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 |
|---|---|
| 10558246 FIND 20 PRIMARY | General Dynamics Land Systems Canadacorp (CAN) |
| Reference | Meaning |
|---|---|
| B1867BC080250 | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-434-0499 is a Screw,machine, manufactured by General Dynamics Land Systems Canadacorp, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-434-0499 has 1 manufacturer part number on file: 10558246 FIND 20 (General Dynamics Land Systems Canadacorp).
Key specifications for 10558246 FIND 20: Head Height: 5.6 MILLIMETERS MINIMUM AND 6.0 MILLIMETERS MAXIMUM MM; External Thread Tolerance Class: A6G; Screw Surface Treatment: ZINC; Fastener Length: 25.0 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.