The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-351-4307, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-351-4307 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Fastener Length | 1.862 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | IL-C-13924 MIL SPEC 10TH TREATMENT RESPONSE OVERALL |
| Thread Length | 0.197 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A555 CONDTION A ASSN STD 1ST MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Color | BLACK OVERALL |
| Surface Treatment | OXIDE OVERALL |
| Internal Drive Style | CROSS RECESS TYPE II |
| Countersink Angle | 80.0 RADIANS MINIMUM AND 82.0 RADIANS MAXIMUM |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 410 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.304 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| A3131522 | 5/9 Secondary reference Tallahassee Technologies, Inc Dba Elbit Systems |
| A3131522-1 | 5/9 Secondary reference U.S. Government activity |
| A3131761-6 | 3/2 Design control — primary reference U.S. Government activity |
| A3131522 | 5/9 Secondary reference General Dynamics Land Systems, Inc. Dba General Dynamics Land Systems Customer Service & Su |
NSN 5305-01-351-4307 is a Screw,externally Relieved Body, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-351-4307: Fastener Length: 1.862 INCHES NOMINAL IN; Surface Treatment Document and Classification: IL-C-13924 MIL SPEC 10TH TREATMENT RESPONSE OVERALL; Thread Length: 0.197 INCHES NOMINAL IN; Material Document and Classification: ASTM A555 CONDTION A ASSN STD 1ST MATERIAL RESPONSE OVERALL. 13 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.