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MS21060L4

Military Standard Locking Nutplate Self

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Description

Nutplate

Specifications

Alternate Part Number NAS686C4M
Center To Center Distance Between Mounting Holes Along Length Between 0.998 inches and 1.002 inches
Distance From Aperture Center To Mounting Hole Center 0.500
Features Provided Floating nut
Hardness Rating 49.0 rockwell c
Locking Feature Prevailing torque all metal design
Lubrication Dry film lubricant
Material Iron
Material Specification Ams 5525 assn standard single material response or ams 5735 assn standard single material response or ams 5737 assn standard single material response
Mounting Hole Arrangement Style 2 holes
Mounting Hole Diameter Between 0.098 inches and 0.103 inches
NIIN 00-779-6689
NSN 5310-00-779-6689
Nut Height 0.281
Nut Length 1.292
Nut Mounting Provision Straight holes
Nut Style Plate
Plate Thickness 0.032
Plate Width Between 0.350 inches and 0.516 inches
Surface Treatment Passivate
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 MS21060L4 — 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.

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Catalog data updated 2026-07-05. Report a data error