The Screw,externally Relieved Body, cataloged under National Stock Number 5305-00-446-9425, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems. Government technical data includes 11 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 | 5305-00-446-9425 |
| Primary Part Number | 135163-6 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems |
| Status | ACTIVE |
| Fastener Length | 0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | 951029,FSCM 05257 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.344 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN |
| First Diameter From Head | 0.075 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.230 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Surface Treatment | OXIDE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 135163-6 PRIMARY | General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems (CAN) |
NSN 5305-00-446-9425 is a Screw,externally Relieved Body, manufactured by General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-446-9425 has 1 manufacturer part number on file: 135163-6 (General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems).
Key specifications for 135163-6: Fastener Length: 0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN; Surface Treatment Document and Classification: 951029,FSCM 05257 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.344 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN; First Diameter From Head: 0.075 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN. 11 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.