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MS27039-4-12
Machine Screw
Description
Machine Screw
Specifications
| Country of Origin | USA |
|---|---|
| Fastener Length | Between 0.766 inches and 0.813 inches |
| Grip | 0.250 in |
| Hardness Rating | Between 26.0 rockwell c and 32.0 rockwell c |
| Head Angle | 100 ? |
| Head Diameter | Between 0.473 inches and 0.492 inches |
| Head Height | Between 0.162 inches and 0.175 inches |
| Head Style | Pan Head |
| Head Type | Recessed |
| Industry Standards/Certification | MS27039 |
| Internal Drive Style | Cross recess type 1 |
| Length | 0.781 in |
| Material | Steel |
| Min. Tensile Strength (psi) | 125000 pounds per square inch |
| NIIN | 00-891-1784 |
| NSN | 5305-00-891-1784 |
| Pre-Packaged Bag Quantity | 100 |
| Screw Material | Steel comp 8630 or steel comp 4037 |
| Screw Material Specification | Mil-s-6050 military specification 1st material response or ams 6300 assn standard 2nd material response |
| Screw Surface Treatment | Cadmium and chromate |
| Screw Surface Treatment Specification | Qq-p-416 type 2 cl 3 federal specification single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.516 inches and 0.563 inches |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | UNF |
| Thread Series Designator | Unf (fine thread) |
| Thread Size | 1/4-28 |
| Weight | 0.015 lb |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS27039-4-12. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error