screws › machine screws
MS27039C4-13
Military Standard Machine Screw
Description
Fastener Length: 7/8", Thread: 1/4-28, Thread Length: 7/16
Specifications
| Fastener Length | 0.828 inches minimum and 0.876 inches maximum |
|---|---|
| Head Diameter | 0.473 inches minimum and 0.492 inches maximum |
| Head Height | 0.162 inches minimum and 0.175 inches maximum |
| Head Style | Pan no. 2 |
| Internal Drive Style | Cross recess type 1 |
| Length | 7/8 |
| Material | Iron |
| Min. Tensile Strength (psi) | 125000 pounds per square inch |
| Screw Material | Iron alloy 660 |
| Screw Material Specification | Ams 5735 assn std single material response |
| Screw Surface Treatment | Passivate |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.461 inches minimum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNF |
| Thread Size | 1/4 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS27039C4-13. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error