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MS21047-6
Military Standard Locking Nutplate Self
Description
MS21047 series nut
Specifications
| Alternate Part Number | NAS680X6 |
|---|---|
| Center To Center Distance Between Mounting Holes Along Length | Between 0.998 inches and 1.002 inches |
| Counterbore Diameter | 0.379 inches nut |
| Distance From Aperture Center To Mounting Hole Center | Between 0.495 inches and 0.505 inches |
| Hardness Rating | 49.0 rockwell c |
| Locking Feature | Prevailing torque all metal design |
| Lubrication | Soluble lubricant |
| Material | Steel |
| Mounting Hole Arrangement Style | 2 holes |
| Mounting Hole Diameter | Between 0.130 inches and 0.135 inches |
| NIIN | 00-764-7276 |
| NSN | 5310-00-764-7276 |
| Nut Counterbore Depth | 0.062 inches nut |
| Nut Height | 0.344 |
| Nut Length | 1.292 |
| Nut Mounting Provision | Straight holes |
| Nut Style | Plate |
| Plate Thickness | 0.075 |
| Plate Width | Between 0.594 inches and 0.614 inches |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Cl 2 federal specification all treatment responses type 2 qq-p-416 |
| Temperature Rating | 450.0 degrees fahrenheit |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series | Unjf (fine thread with external controlled root radius) |
| Thread Size | 0.375 |
| Weight | 0.01 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 MS21047-6 — functionally equivalent.
- NAS680X6 Listed alternate 3/8-24 · Steel
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
Looking for a specific part? Use the cross-reference lookup.
Catalog data updated 2026-07-05. Report a data error