The Screw,tapping, cataloged under National Stock Number 5305-00-993-8593, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-00-993-8593 |
| Item Name | Screw,tapping |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Nonmachine Nominal Thread Diameter | 0.086 INCHES IN |
| Head Height | 0.053 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN |
| Fastener Length | 0.157 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN |
| Nonmachine Thread Style | GIMLET POINT (TYPE A, AB OR BA) |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| Head Style | PAN |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Material | STEEL COMP 410 OR STEEL COMP 420 OVERALL |
| Head Diameter | 0.155 INCHES MINIMUM AND 0.167 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 |
|---|---|
| MS24618-1 | 2/2 Government specification standardization U.S. Government activity |
NSN 5305-00-993-8593 is a Screw,tapping, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-00-993-8593: Nonmachine Nominal Thread Diameter: 0.086 INCHES IN; Head Height: 0.053 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN; Fastener Length: 0.157 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN; Nonmachine Thread Style: GIMLET POINT (TYPE A, AB OR BA). 10 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.