nuts › tube coupling nuts
MS21921-4K
Military Standard Tube Coupling Nut
Description
corrosion resistant steel 316, tube outside 1/4", nut, sleeve coupling flareless
Specifications
| Material | CRES |
|---|---|
| Material Specification | Qq-s-763 fed spec single material response |
| Nut Height | 0.531 |
| Nut Style | Tube coupling |
| Seat Angle | 45.00 degrees |
| Specification Data | 96906-ms21921 government standard |
| Surface Treatment | Passivate |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty | 20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series | UNJF |
| Thread Size | 0.438 |
| Width Across Flats | 0.562 |
Cross-reference
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Catalog data updated 2026-07-05. Report a data error