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MS27039-4-29
Military Standard Machine Screw
Description
Fastener Length: 1-7/8", Thread: 1/4-28, Thread Length: 37/64", pan head, philips, MS27039 series screw
Specifications
| Fastener Length | Between 1.829 inches and 1.876 inches |
|---|---|
| Hardness Rating | Between 26.0 rockwell c and 32.0 rockwell c |
| Head Diameter | Between 0.473 inches and 0.492 inches |
| Head Height | Between 0.162 inches and 0.175 inches |
| Head Style | Pan Head |
| Internal Drive Style | Cross recess type 1 |
| Material | Steel |
| Min. Tensile Strength (psi) | 125000 pounds per square inch |
| Screw Material | Steel comp 4037 or steel comp 8630 |
| Screw Material Specification | Mil-s-8695 military specification 1st material response or mil-s-6050 military specification 2nd material response |
| Screw Surface Treatment | Cadmium and chromate |
| Screw Surface Treatment Specification | Type 2 class 3 federal specification single treatment response qq-p-416 |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.502 inches and 0.579 inches |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | UNF |
| Thread Series Designator | Unf (fine thread) |
| Thread Size | 1/4 |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS27039-4-29. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error