The Screw,drive, cataloged under National Stock Number 5305-01-412-4531, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-412-4531 |
| Item Name | Screw,drive |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Nonmachine Nominal Thread Diameter | 0.138 INCHES IN |
| Head Height | 0.035 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN |
| Fastener Length | 0.266 INCHES MINIMUM AND 0.334 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416 TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Special Test Features | SPECIAL QUALITY CONTROL TESTING |
| Criticality Code Justification | ZZZY |
| Nonmachine Thread Style | DRIVE SCREW (TYPE U) |
| Features Provided | CASEHARDENED |
| Head Style | ROUND |
| Pilot Diameter | 0.112 INCHES MINIMUM AND 0.116 INCHES MAXIMUM IN |
| Pilot Length | 0.047 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Test Data Document | 81349-MIL-P-23199 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Material | STEEL OVERALL |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS |
| Head Diameter | 0.240 INCHES MINIMUM AND 0.260 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 | S |
| Reference | Meaning |
|---|---|
| 611B396-02 | 3/9 Design control — primary reference U.S. Government activity |
| LL-HX9-3037 | 5/9 Secondary reference Defense Logistics Agency Dba Defense Supply Center Philadelphia |
NSN 5305-01-412-4531 is a Screw,drive, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-412-4531: Nonmachine Nominal Thread Diameter: 0.138 INCHES IN; Head Height: 0.035 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN; Fastener Length: 0.266 INCHES MINIMUM AND 0.334 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416 TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL. 16 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.