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MS21056L4

1/4-28 Thread Size MS21056 Corrosion Resistant Corner Nut Plate

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Description

1/4-28 Thread Size MS21056 Corrosion Resistant Corner Nut Plate

Specifications

Counterbore Diameter 0.254 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
Industry Standards/Certification MS21056
Locking Feature Prevailing torque all metal design
Lubricant With Dry Film Lubricant
Lubrication Dry film lubricant
Material CRES
Material Specification Ams 5525 assn std single material response or ams 5735 assn std single material response or ams 5737 assn std single material response
Maximum Dimension A 0.852 in
Maximum Dimension C 0.500 in
Maximum Dimension J 0.707 in
Maximum Height 0.281 in
Mounting Hole Arrangement Style 2 holes
Mounting Hole Diameter 0.098 inches minimum and 0.103 inches maximum
Nut Counterbore Depth 0.062 inches minimum nut
Nut Height 0.281 inches maximum
Nut Length 0.852 inches maximum
Nut Mounting Provision Straight holes
Nut Style Plate
Plate Thickness 0.055 inches maximum
Surface Treatment Passivate
Temperature Rating 450.0 deg fahrenheit
Thread Class 3b
Thread Direction Right-hand
Thread Qty Per Inch (tpi) 28
Thread Series UNJF
Thread Size 0.250, 1/4-28
Weight .005 lb

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