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MS21045C3S

Military Standard Locking Hexagon Nut Self

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Description

Self-locking Hexagon Nut

Specifications

Bearing Surface Finish 125.0 microinches
Bearing Surface Type Chamfered or washer faced
Countersink Angle 88.0 degrees nominal nut
Locking Feature Prevailing torque all metal design
Lubrication Dry film lubricant
Material Steel
Nut Height 0.208 inches minimum and 0.250 inches maximum
Nut Style Hexagon
Surface Treatment Passivate
Surface Treatment Specification Qq-p-35 fed spec single treatment response
Temperature Rating 450.0 deg fahrenheit
Thread Class 3b
Thread Direction Right-hand
Thread Qty Per Inch (tpi) 32
Thread Series UNJF
Thread Size 0.190
Weight .005 lb
Width Across Flats 0.367 inches minimum and 0.376 inches maximum

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