The Screw,shoulder, cataloged under National Stock Number 5305-01-440-8364, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-440-8364 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.125 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN |
| Fastener Length | 0.969 INCHES MAXIMUM IN |
| Shoulder Length | 0.747 INCHES MINIMUM AND 0.753 INCHES MAXIMUM FIRST SHOULDER IN |
| Surface Treatment Document and Classification | QQ-P-35, TYPE 2 FED SPEC 1ST TREATMENT RESPONSE OR QQ-P-35, TYPE 6 OR 7 FED SPEC 2ND TREATMENT RESPONSE OR QQ-P-35, TYPE 6 OR 7 FED SPEC 3RD TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.186 INCHES MINIMUM AND 0.187 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.156 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | ASTM A582, COND A ASSN STD 1ST MATERIAL RESPONSE OR ASTM A493 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A493 ASSN STD 3RD MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP XM-7 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.281 INCHES MINIMUM AND 0.344 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 |
|---|---|
| MS51575-13 | 2/2 Government specification standardization U.S. Government activity |
NSN 5305-01-440-8364 is a Screw,shoulder, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-440-8364: Head Height: 0.125 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN; Fastener Length: 0.969 INCHES MAXIMUM IN; Shoulder Length: 0.747 INCHES MINIMUM AND 0.753 INCHES MAXIMUM FIRST SHOULDER IN; Surface Treatment Document and Classification: QQ-P-35, TYPE 2 FED SPEC 1ST TREATMENT RESPONSE OR QQ-P-35, TYPE 6 OR 7 FED SPEC 2ND TREATMENT RESPONSE OR QQ-P-35, TYPE 6 OR 7 FED SPEC 3RD TREATMENT RESPONSE OVERALL. 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.