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MS21044C4 Self-Locking Hexagon Nut

Product Series: MS
ECCN: EAR99
Schedule: 7318.16.0085

Manufacturer certifications are shipped with your order FREE of charge

Unit of Measure: EA

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Material

Steel

Surface Treatment

Qq-p-35 federal specification single treatment response except insert

Thread Class

Thread Series

Unjf (fine thread with external controlled root radius)

Thread Size

0.250 inches

Bearing Surface Finish: 125 microinches
Bearing Surface Type: Chamfered or washer faced
Countersink Angle: 88 degrees
Height: Between 0.240 inches and 0.360 inches
Locking Feature: Prevailing torque with nonmetallic insert
Material Specification: Ams 5688 assn standard 1st material response nut or ams 5640 assn standard 2nd material response nut or ams 5647 assn standard 3rd material response nut
Style: Hexagon
Tempurature Rating: 250 degrees fahrenheit
Thread Direction: Right-hand
Thread Qty Per Inch (tpi): 28
Width Across Flats: Between 0.430 inches and 0.439 inches
Lubrication: Soluble lubricant