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MS35198-69
Military Standard Screw
Description
Fastener Length: 1/2", Thread: 1/4-20, Thread Length: 1/2"
Specifications
| Countersink Angle | 80.0 degrees minimum and 82.0 degrees maximum |
|---|---|
| Fastener Length | 0.500 |
| Finish | Black Oxide |
| Head Diameter | 0.452 inches minimum and 0.507 inches maximum |
| Head Style | Flat countersunk, Phillips Flat Head |
| Internal Drive Style | Cross recess type 1 |
| Length | 1/2 |
| Material | Brass |
| Min. Tensile Strength (psi) | 57000 pounds per square inch |
| Screw Material | Copper alloy |
| Screw Material Specification | Astm b16 assn std single material response or astm b36 assn std single material response or astm b121 assn std single material response or astm b124 assn std single material response |
| Screw Surface Treatment | Oxide |
| Screw Surface Treatment Specification | Mil-f-495 mil std single treatment response |
| Size | 1/4-20 |
| Thread Class | 2a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.400 inches minimum and 0.500 inches maximum |
| Thread Qty | 20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series Designator | UNC |
| Thread Size | 1/4 |
| Thread Type | N.C. - Coarse |
Cross-reference
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Catalog data updated 2026-07-05. Report a data error