The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-196-8191, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-196-8191 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Fastener Length | 0.875 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | GQQ-P-416,TYPE 1 OR TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.775 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN |
| Material Document and Classification | AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CADMIUM OR CHROMATE OVERALL |
| Countersink Angle | 80.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.250 INCHES NOMINAL 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 |
|---|---|
| 810-2178000-1 ITEM 127 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 810-2178000ITEM127 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-196-8191 is a Screw,cap,socket Head, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-196-8191: Fastener Length: 0.875 INCHES NOMINAL IN; Surface Treatment Document and Classification: GQQ-P-416,TYPE 1 OR TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.775 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN; Material Document and Classification: AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 14 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.