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MS27039-4-38
Military Standard Screw
Description
Fastener Length: 2-7/16", Thread: 1/4-28, Thread Length: 37/64"
Specifications
| Fastener Length | 2.391 inches minimum and 2.438 inches maximum |
|---|---|
| Hardness Rating | 26.0 rockwell c minimum and 32.0 rockwell c 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 | 2 7/16 |
| Material | Steel |
| Min. Tensile Strength (psi) | 125000 pounds per square inch |
| Screw Material | Steel comp 1340 or steel comp 4037 |
| Screw Material Specification | Mils-16974 mil spec single material response or mil-s-8695 mil spec single material response |
| Screw Surface Treatment | Cadmium |
| Screw Surface Treatment Specification | Qq-p-46,ty 2,cl 3 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.499 inches minimum and 0.578 inches maximum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNF |
| Thread Size | 1/4 |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS27039-4-38. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error