The Screw,tapping, cataloged under National Stock Number 5305-01-078-2910, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-078-2910 |
| Item Name | Screw,tapping |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Nonmachine Nominal Thread Diameter | 0.190 INCHES IN |
| Head Height | 0.125 INCHES NOMINAL IN |
| Fastener Length | 0.625 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TY2,CL1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Nonmachine Thread Style | GIMLET POINT (TYPE A, AB OR BA) |
| Material Document and Classification | ASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Features Provided | CASEHARDENED |
| Head Style | HEXAGON |
| Width Between Flats | 0.312 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Material | STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1022 OR STEEL COMP 1025 OR STEEL COMP 1035 OR STEEL COMP 1040 OR STEEL COMP 1045 OR STEEL COMP 1050 OVERALL |
| 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 |
|---|---|
| 65C35702-5 | 3/2 Design control — primary reference U.S. Government activity |
| 65C35702-5 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5305-01-078-2910 is a Screw,tapping, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-078-2910: Nonmachine Nominal Thread Diameter: 0.190 INCHES IN; Head Height: 0.125 INCHES NOMINAL IN; Fastener Length: 0.625 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TY2,CL1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 12 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.