nuts › plain hexagon nuts
MS21340-08
Military Standard Plain Hexagon Nut
Description
Thread Size: 5/8", Nut Height: 1/8", Head Width: 3/4
Specifications
| Bearing Surface Type | Chamfered |
|---|---|
| Drilled Hole Diameter | 0.046 inches minimum and 0.051 inches maximum |
| Hole Configuration Style | Configuration b |
| Hole Type And Quantity | 3 drilled |
| Material | CRES |
| Material Specification | Qq-s-763 fed spec single material response or astm a484 assn std single material response or astma535 assn std single material response or astma581 assn std single material response or a582 assn std single material response |
| Nut Height | 0.120 inches minimum and 0.125 inches maximum |
| Nut Style | Hexagon |
| Part Name Assigned By Controlling Agency | Nut, plain, hexagon, electrical, thin (w/locking holes) |
| Surface Treatment | Passivate |
| Thread Class | 2b |
| Thread Direction | Right-hand |
| Thread Qty | 18 |
| Thread Qty Per Inch (tpi) | 18 |
| Thread Series | UNF |
| Thread Size | 0.625 |
| Width Across Flats | 0.741 inches minimum and 0.752 inches maximum |
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 MS21340-08. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error