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MS21061L4
Military Standard Locking Nutplate Self
Description
Nutplate
Specifications
| Alternate Part Number | BACN10KB4F |
|---|---|
| Center To Center Distance Between Mounting Holes Along Length | 0.310 inches minimum and 0.314 inches maximum |
| Distance From Aperture Center To Mounting Hole Center | 0.495 inches minimum and 0.505 inches maximum |
| Features Provided | Floating nut |
| Hardness Rating | 49.0 rockwell c maximum |
| Locking Feature | Prevailing torque all metal design |
| Lubrication | Dry film lubricant |
| Material | Steel |
| Mounting Hole Arrangement Style | 2 holes |
| Mounting Hole Diameter | 0.098 inches minimum and 0.103 inches maximum |
| NIIN | 00-778-9482 |
| NSN | 5310-00-778-9482 |
| Nut Height | 0.281 inches maximum |
| Nut Length | 1.306 inches maximum |
| Nut Mounting Provision | Straight holes |
| Nut Style | Plate |
| Plate Thickness | 0.032 inches maximum |
| Plate Width | 0.350 inches minimum and 0.531 inches maximum |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Qq-p-416,ty 2,cl 3 fed spec single treatment response |
| Temperature Rating | 450.0 deg fahrenheit |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | UNJF |
| 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 MS21061L4 — functionally equivalent.
- BACN10KB4F Listed alternate 1/4-28 · Steel
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- BACN10JN04 BAC 1/4-28 · Steel
- BACN10JR4CF BAC 1/4-28 · Iron
- BACN10JR4CFM BAC 1/4-28 · Iron
- NAS1789-4 NAS 1/4-28 · Steel
- NAS1789C4M NAS 1/4-28 · Iron
- NAS1791C4-1 NAS 1/4-28 · Iron
- NAS686C4M NAS 1/4-28 · Iron
- MS21059L4 MS 1/4-28 · Steel
- MS21059L4K MS 1/4-28 · Steel
- MS21060-4 MS 1/4-28 · Iron
- MS21060-4K MS 1/4-28 · Iron
- MS21060L4 MS 1/4-28 · Iron
Looking for a specific part? Use the cross-reference lookup.
Catalog data updated 2026-07-05. Report a data error