screws › setscrews
MS51977-87
Military Standard Setscrew
Description
Fastener Length: 1-1/64", Thread: 1/2-13, Head Width: 1/4", Thread Length: 7/8"
Specifications
| Fastener Length | 1.000 |
|---|---|
| Hardness Rating | 45.0 rockwell c |
| Head Style | Headless (setscrew) |
| Internal Drive Style | Hexagon |
| Material | Steel |
| Material Specification | Ff-s-200 mil spec single material response |
| Point Style | Half dog |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Qq-p-416,type 2,class 3 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.500 |
| Thread Direction | Right-hand |
| Thread Length | 0.875 |
| Thread Qty | 13 |
| Thread Qty Per Inch (tpi) | 13 |
| Thread Series Designator | UNC |
| Thread Size | 1/2 |
| Width Across Flats | 0.250 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- MS51977-12
- MS51977-30
- MS51977-87
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS51977-87. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error