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NAS1779C3M

Locknut

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Description

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

Specifications

Center To Center Distance Between Mounting Holes Along Length Between 0.498 inches and 0.502 inches
Counterbore Diameter 0.194 inches base
Features Provided Floating nut
Locking Feature Prevailing torque all metal design
Lubrication Dry film lubricant
Material Iron
Material Specification Ams 5525 assn standard single material response or ams 5732 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
Nut Counterbore Depth 0.062 inches base
Nut Height 0.250
Nut Length 0.739
Nut Mounting Provision Straight holes
Nut Style Plate
Plate Thickness 0.047
Plate Width Between 0.290 inches and 0.416 inches
Special Features May have eyelets 0.140 in. max h
Specification Data 80205-nas1779 professional/industrial association standard
Surface Treatment Passivate
Surface Treatment Specification Qq-p-35 federal specification single treatment response
Thread Class 3b
Thread Direction Right-hand
Thread Qty 32
Thread Qty Per Inch (tpi) 32
Thread Series Unjf (fine thread with external controlled root radius)
Thread Size 0.190

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