The Screw,shoulder, cataloged under National Stock Number 5305-01-433-8480, 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 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-433-8480 |
| Primary Part Number | 10558674 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | General Dynamics Land Systems Canadacorp |
| Status | ACTIVE |
| Width Across Flats | 8.02 MILLIMETERS MINIMUM AND 8.11 MILLIMETERS MAXIMUM MM |
| Head Height | 10.73 MILLIMETERS MINIMUM AND 11.00 MILLIMETERS MAXIMUM MM |
| External Thread Tolerance Class | 6G G |
| Fastener Length | 29.87 MILLIMETERS MINIMUM AND 30.12 MILLIMETERS MAXIMUM MM |
| Shoulder Length | 29.87 MILLIMETERS MINIMUM AND 30.12 MILLIMETERS MAXIMUM FIRST SHOULDER MM |
| Surface Treatment Document and Classification | ASTMB633 FE/ZN5, TY2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 15.96 MILLIMETERS NOMINAL FIRST SHOULDER MM |
| Thread Pitch in Millimeters | 1.75 |
| Thread Length | 18.40 MILLIMETERS MAXIMUM MM |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 16.0 MILLIMETERS MM |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | ZINC OVERALL |
| Internal Drive Style | HEXAGON |
| Material | STEEL OVERALL |
| Thread Series Designator | M |
| Head Diameter | 23.67 MILLIMETERS MINIMUM AND 24.00 MILLIMETERS MAXIMUM 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 |
|---|---|
| 10558674 PRIMARY | General Dynamics Land Systems Canadacorp (CAN) |
| Reference | Meaning |
|---|---|
| B1833B160030N | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-433-8480 is a Screw,shoulder, manufactured by General Dynamics Land Systems Canadacorp, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-433-8480 has 1 manufacturer part number on file: 10558674 (General Dynamics Land Systems Canadacorp).
Key specifications for 10558674: Width Across Flats: 8.02 MILLIMETERS MINIMUM AND 8.11 MILLIMETERS MAXIMUM MM; Head Height: 10.73 MILLIMETERS MINIMUM AND 11.00 MILLIMETERS MAXIMUM MM; External Thread Tolerance Class: 6G G; Fastener Length: 29.87 MILLIMETERS MINIMUM AND 30.12 MILLIMETERS MAXIMUM MM. 18 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.