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MS21075L4N
Military Standard Locking Nutplate Self
Description
Nutplate
Specifications
| Alternate Part Number | NAS1068A4 |
|---|---|
| Center To Center Distance Between Mounting Holes Along Length | 0.286 |
| Counterbore Diameter | 0.254 inches nut |
| Distance From Aperture Center To Mounting Hole Center | 0.143 |
| Hardness Rating | 40.0 rockwell c |
| Locking Feature | Prevailing torque all metal design |
| Lubrication | Dry film lubricant |
| Material | Steel |
| Material Specification | Aams5080 assn standard 1st material response or aams 6350 assn standard 2nd material response |
| Mounting Hole Arrangement Style | 2 holes |
| Mounting Hole Diameter | 0.100 |
| NIIN | 01-335-4894 |
| NSN | 5310-01-335-4894 |
| Nut Height | 0.281 |
| Nut Length | 0.801 |
| Nut Mounting Provision | Straight holes |
| Nut Style | Plate (floating) |
| Plate Thickness | Between 0.027 inches and 0.097 inches |
| Plate Width | Between 0.350 inches and 0.500 inches |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416 federal specification single treatment response |
| Temperature Rating | 450.0 degrees fahrenheit |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | Unjf (fine thread with external controlled root radius) |
| Thread Size | 0.250 |
| Weight | .005 lb |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
Interchangeable
Parts that share a National Stock Number or are listed as an alternate for MS21075L4N — functionally equivalent.
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- MS21075-4E MS 1/4-28 · Steel
- MS21075-4N MS 1/4-28 · Steel
- MS21076-4N MS 1/4-28 · Iron
- MS21076-4R MS 1/4-28 · Iron
- MS21076L4N MS 1/4-28 · Iron
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Catalog data updated 2026-07-05. Report a data error