The Screw,shoulder, cataloged under National Stock Number 5305-01-623-7873, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is General Dynamics Land Systems, Inc Dba General Dynamics Land Systems Customer Service & Su. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-623-7873 |
| Primary Part Number | ISO 7379-M6-25 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | General Dynamics Land Systems, Inc Dba General Dynamics Land Systems Customer Service & Su |
| Status | ACTIVE |
| Width Across Flats | 4.58 MILLIMETERS MINIMUM MM |
| Head Height | 5.32 MILLIMETERS MINIMUM AND 5.50 MILLIMETERS MAXIMUM MM |
| External Thread Tolerance Class | 6G G |
| Fastener Length | 36.25 MILLIMETERS NOMINAL MM |
| Shoulder Length | 22.50 MILLIMETERS NOMINAL OVERALL MM |
| Thread Pitch in Millimeters | 1.0 |
| Thread Length | 8.75 MILLIMETERS NOMINAL MM |
| Nominal Thread Diameter | 6.000 MILLIMETERS MM |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | HEXAGON |
| Material | STEEL OVERALL |
| Thread Series Designator | ISO M |
| Head Diameter | 12.73 MILLIMETERS MINIMUM AND 13.27 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 |
|---|---|
| ISO 7379-M6-25 PRIMARY | General Dynamics Land Systems, Inc Dba General Dynamics Land Systems Customer Service & Su (USA) |
| ISO 7379-M6-25 | Curtis-Toledo, Inc. (USA) |
NSN 5305-01-623-7873 is a Screw,shoulder, manufactured by General Dynamics Land Systems, Inc Dba General Dynamics Land Systems Customer Service & Su, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-623-7873 has 2 manufacturer part numbers on file: ISO 7379-M6-25 (General Dynamics Land Systems, Inc Dba General Dynamics Land Systems Customer Service & Su), ISO 7379-M6-25 (Curtis-Toledo, Inc.).
Key specifications for ISO 7379-M6-25: Width Across Flats: 4.58 MILLIMETERS MINIMUM MM; Head Height: 5.32 MILLIMETERS MINIMUM AND 5.50 MILLIMETERS MAXIMUM MM; External Thread Tolerance Class: 6G G; Fastener Length: 36.25 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.