screws › machine screws
120-259V4A15
Screw
Description
Fastener Length: 1-27/64", Thread: 1/4-28, Thread Length: 5/16"
Specifications
| Fastener Length | 1.422 |
|---|---|
| Grip Diameter | 0.248 inches minimum and 0.249 inches maximum |
| Grip Length | 0.938 |
| Head Diameter | 0.482 |
| Head Height | 0.168 |
| Head Style | Undercut pan no. 2 |
| Internal Drive Style | Torx |
| Length | 1 27/64 |
| Material | Titanium |
| Material Specification | Ams 4928 fed spec 1st material response or ams 4967 fed spec 2nd material response |
| Min. Tensile Strength (psi) | 5820 pounds per square inch |
| Part Name Assigned By Controlling Agency | Screw, shear, pan head, close tolerance, short thread, six lobe recess, 95 ksi fsu |
| Surface Treatment | Paint and lubricant |
| Surface Treatment Specification | Nas4006 assn std 1st treatment response and cetyl alcohol lubricant per mil-l-87132, type 3, grade b mil spec 2nd treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.298 |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
Cross-reference
No interchangeable or dimensionally similar parts are on record for 120-259V4A15. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error