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MS27039-4-15
Machine Screw
Description
Machine Screw
Specifications
| Country of Origin | USA |
|---|---|
| Fastener Length | 0.954 inches minimum and 1.001 inches maximum |
| Grip | 0.438 in |
| Hardness Rating | 26.0 rockwell c minimum and 32.0 rockwell c maximum |
| Head Angle | 100 ? |
| 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 Head |
| Head Type | Recessed |
| Industry Standards/Certification | MS27039 |
| Internal Drive Style | Cross recess type 1 |
| Length | 0 63/64, 0.969 in |
| Material | Steel |
| Min. Tensile Strength (psi) | 125000 pounds per square inch |
| NIIN | 00-925-7866 |
| NSN | 5305-00-925-7866 |
| Screw Material | Steel comp 8630 or steel comp 4037 |
| Screw Material Specification | Mil-s-6050 mil spec 1st material response or ams 6300 assn std 2nd material response |
| Screw Surface Treatment | Cadmium and chromate |
| Screw Surface Treatment Specification | Qq-p-416,type 2,class 3 fed spec all treatment responses |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.430 inches minimum and 0.578 inches maximum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNF |
| Thread Size | 1/4-28 |
| Weight | .008 lb |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS27039-4-15. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error