The Screw,tapping, cataloged under National Stock Number 5305-01-079-8124, 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10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-079-8124 |
| Item Name | Screw,tapping |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Nonmachine Nominal Thread Diameter | 0.086 INCHES IN |
| Head Height | 0.069 INCHES MAXIMUM IN |
| Fastener Length | 0.188 INCHES NOMINAL IN |
| Nonmachine Thread Style | DOG TYPE (TYPE B OR C) |
| Features Provided | CASEHARDENED |
| Head Style | ROUND |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | SLOT |
| Material | STEEL COMP 410 OVERALL |
| Head Diameter | 0.146 INCHES MINIMUM AND 0.162 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 |
|---|---|
| GAS530C-2-3 | 5/9 Secondary reference Globe Aerospace Inc |
| 112-0539-001 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-079-8124 is a Screw,tapping, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-079-8124: Nonmachine Nominal Thread Diameter: 0.086 INCHES IN; Head Height: 0.069 INCHES MAXIMUM IN; Fastener Length: 0.188 INCHES NOMINAL IN; Nonmachine Thread Style: DOG TYPE (TYPE B OR C). 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.