The Screw,tapping, cataloged under National Stock Number 5305-00-052-7481, 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11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-052-7481 |
| Item Name | Screw,tapping |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Nonmachine Nominal Thread Diameter | 0.190 INCHES IN |
| Fastener Length | 0.875 INCHES NOMINAL IN |
| Nonmachine Thread Style | NARROW FLUTE (TYPE E) |
| Material Document and Classification | QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OR QQ-W-423 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Head Style | FLAT COUNTERSUNK |
| Nondefinitive Spec/std Data | D TYPE AND F TYPE AND G TYPE AND T TYPE |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Countersink Angle | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| Material | STEEL COMP 410 OR STEEL COMP 420 OVERALL |
| Head Diameter | 0.359 INCHES MINIMUM AND 0.385 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 |
|---|---|
| MS24628-51 | 2/2 Government specification standardization U.S. Government activity |
NSN 5305-00-052-7481 is a Screw,tapping, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-00-052-7481: Nonmachine Nominal Thread Diameter: 0.190 INCHES IN; Fastener Length: 0.875 INCHES NOMINAL IN; Nonmachine Thread Style: NARROW FLUTE (TYPE E); Material Document and Classification: QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OR QQ-W-423 FED SPEC ALL MATERIAL RESPONSES OVERALL. 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.