The Screw,tapping, cataloged under National Stock Number 5305-00-052-7407, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-052-7407 |
| Item Name | Screw,tapping |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Nonmachine Nominal Thread Diameter | 0.112 INCHES IN |
| Fastener Length | 0.500 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Nonmachine Thread Style | NARROW FLUTE (TYPE E) OR THRU SLOT (TYPE D) OR DOUBLE FLUTE (TYPE F) OR WIDE FLUTE (TYPE T) |
| Features Provided | CASEHARDENED |
| Head Style | FLAT COUNTERSUNK |
| Surface Treatment | PASSIVATE AND CHROMATE OVERALL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Countersink Angle | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| Material | STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1524 OVERALL |
| Head Diameter | 0.195 INCHES MINIMUM AND 0.225 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 |
|---|---|
| MS24643-4 | 5/9 Secondary reference U.S. Government activity |
| PK47F440-8 | 5/9 Secondary reference Usm Corp Sub of Emhart Industries Inc Parker-Kalon Fastener Div |
| MS24627-14 | 3/2 Design control — primary reference U.S. Government activity |
| F4-40X1-2F | 5/9 Secondary reference Usm Corp Sub of Emhart Industries Inc Parker-Kalon Fastener Div |
| MS24627-14 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-00-052-7407 is a Screw,tapping, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-00-052-7407: Nonmachine Nominal Thread Diameter: 0.112 INCHES IN; Fastener Length: 0.500 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL; Nonmachine Thread Style: NARROW FLUTE (TYPE E) OR THRU SLOT (TYPE D) OR DOUBLE FLUTE (TYPE F) OR WIDE FLUTE (TYPE T). 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.