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MS51021-104
Military Standard Setscrew
Description
Fastener Length: 5/16", Thread: 4-40, Head Width: 1/16"
Specifications
| Fastener Length | 0.302 inches minimum and 0.322 inches maximum |
|---|---|
| Head Style | Headless (setscrew) |
| Internal Drive Style | Hexagon |
| Length | 5/16 |
| Locking Feature | Patch threads or pellet threads or strip threads |
| Material | CRES |
| Material Specification | 66 fed std all material responses |
| Nondefinitive Specification/Std Data | 1 type and 4 style |
| Point Style | Cup |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.112 |
| Thread Direction | Right-hand |
| Thread Qty | 40 |
| Thread Qty Per Inch (tpi) | 40 |
| Thread Series Designator | UNC |
| Thread Size | 4 |
| Width Across Flats | 0.050 |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS51021-104. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error