screws › machine screws
MS51023-21
Military Standard Screw
Description
Fastener Length: 1/4", Thread: 4-48, Head Width: 3/64", Thread Length: 1/4
Specifications
| Fastener Length | 0.312 |
|---|---|
| Head Style | Headless (setscrew) |
| Internal Drive Style | Hexagon |
| Length | 1/4 |
| Material | CRES |
| Material Specification | 66 federal standard all material responses |
| Point Style | Cup |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 federal specification single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.112 |
| Thread Direction | Right-hand |
| Thread Length | 0.312 |
| Thread Qty | 48 |
| Thread Qty Per Inch (tpi) | 48 |
| Thread Series | UNF |
| Thread Series Designator | Unf (fine thread) |
| Thread Size | 4 |
| Width Across Flats | 0.050 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS51023-21. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error