nuts › self-locking nutplates
MS21048L08K
Military Standard Locking Plate Nut Self
Description
8-32 thread - self-locking nutplate - two lug low height - corrosion resistant steel - 450°, - with dry film lube - countersunk rivet holes
Specifications
| Center To Center Distance Between Mounting Holes Along Length | 0.686 inches minimum and 0.690 inches maximum |
|---|---|
| Counterbore Diameter | 0.168 inches minimum nut |
| Distance From Aperture Center To Mounting Hole Center | 0.339 inches minimum and 0.349 inches maximum |
| Hardness Rating | 49.0 rockwell c maximum |
| Locking Feature | Prevailing torque all metal design |
| Lubrication | Dry film lubricant |
| Material | Iron |
| Material Specification | Ams 5525 assn std single material response or ams 5732 assn std single material response or ams 5737 assn std single material response |
| Mounting Hole Arrangement Style | 2 holes |
| Mounting Hole Countersink Angle | 98.0 degrees minimum and 102.0 degrees maximum |
| Mounting Hole Diameter | 0.098 inches minimum and 0.103 inches maximum |
| Mounting Provision Location | Opposite nut projection side |
| NIIN | 01-090-9091 |
| NSN | 5310-01-090-9091 |
| Nut Counterbore Depth | 0.062 inches minimum nut |
| Nut Height | 0.250 inches maximum |
| Nut Length | 0.948 inches maximum |
| Nut Mounting Provision | Countersunk holes or dimpled holes |
| Nut Style | Plate |
| Plate Thickness | 0.047 inches maximum |
| Plate Width | 0.277 inches minimum and 0.297 inches maximum |
| Temperature Rating | 450.0 deg fahrenheit maximum |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series | UNJC |
| Thread Size | 0.164 |
| Weight | 2 lb |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
Similar parts
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Catalog data updated 2026-07-05. Report a data error