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MS21070-5

Military Standard Two Lug Locknut Plate

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Description

Thread Size: 1/4", Nut Length: 1", Nut Height: 3/8"

Specifications

Center To Center Distance Between Mounting Holes Along Length 0.716 inches minimum and 0.720 inches maximum
Distance From Aperture Center To Mounting Hole Center 0.359
Hardness Rating 49.0 rockwell c maximum
Locking Feature Prevailing torque all metal design
Lubrication Soluble lubricant
Material Iron
Material Specification Ams 5735 assn std single material response or ams 5737 assn std single material response or ams 5525 assn std single material response
Mounting Hole Arrangement Style 2 holes
Mounting Hole Diameter 0.130 inches minimum and 0.135 inches maximum
Nut Height 0.328 inches maximum
Nut Length 1.006 inches maximum
Nut Mounting Provision Straight holes
Nut Style Plate
Plate Thickness 0.065 inches maximum
Plate Width 0.475 inches minimum and 0.505 inches maximum
Precious Material Silver
Surface Treatment Silver
Surface Treatment Specification Ams 2410 assn std single treatment response
Temperature Rating 800.0 deg fahrenheit
Thread Class 3b
Thread Direction Right-hand
Thread Qty 24
Thread Qty Per Inch (tpi) 24
Thread Series UNJF
Thread Size 0.312

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