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MS21051L6

Military Standard Locking Nutplate Self

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Description

Nutplate

Specifications

Center To Center Distance Between Mounting Holes Along Length 0.310 inches minimum and 0.314 inches maximum
Counterbore Diameter 0.379 inches minimum nut
Distance From Aperture Center To Mounting Hole Center 0.495 inches minimum and 0.505 inches maximum
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 0.130 inches minimum and 0.135 inches maximum
NIIN 00-773-8649
NSN 5310-00-773-8649
Nut Counterbore Depth 0.062 inches minimum nut
Nut Height 0.344 inches maximum
Nut Length 1.264 inches maximum
Nut Mounting Provision Straight holes
Nut Style Plate
Plate Thickness 0.075 inches maximum
Plate Width 0.594 inches minimum and 0.614 inches maximum
Surface Treatment Cadmium
Surface Treatment Specification Qq-p-416 fed spec single treatment response
Temperature Rating 450.0 deg fahrenheit maximum
Thread Class 3b
Thread Direction Right-hand
Thread Qty 24
Thread Qty Per Inch (tpi) 24
Thread Series UNJF
Thread Size 0.375
Weight 0.01 lb

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