The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-630-2071, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is General Dynamics Land Systems Inc.. Government technical data includes 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-630-2071 |
| Primary Part Number | G1931BH030025N |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | General Dynamics Land Systems Inc. |
| Status | ACTIVE |
| Fastener Length | 25.0 MILLIMETERS NOMINAL MM |
| Surface Treatment Document and Classification | ASTM F1941M TYPE FE/ZN5AT OR FE/ZN5BT ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Pitch in Millimeters | 0.5 |
| Thread Length | 25.0 MILLIMETERS NOMINAL MM |
| Material Document and Classification | ASTM A574M ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 3.0 MILLIMETERS MM |
| Surface Treatment | CHROMIUM OVERALL |
| Material | STEEL 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 |
|---|---|
| G1931BH030025N PRIMARY | General Dynamics Land Systems Inc. (USA) |
NSN 5305-01-630-2071 is a Screw,cap,socket Head, manufactured by General Dynamics Land Systems Inc., classified under FSC 5305, Screws. Status: active.
NSN 5305-01-630-2071 has 1 manufacturer part number on file: G1931BH030025N (General Dynamics Land Systems Inc.).
Key specifications for G1931BH030025N: Fastener Length: 25.0 MILLIMETERS NOMINAL MM; Surface Treatment Document and Classification: ASTM F1941M TYPE FE/ZN5AT OR FE/ZN5BT ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Pitch in Millimeters: 0.5; Thread Length: 25.0 MILLIMETERS NOMINAL MM. 9 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.