MS21042L4 Nut

Part#: MS21042L4 NSN: 5310-00-807-1475

About this product thread 1/4-28.

Product Details

Part Number or Model MS21042L4
Description Self-Locking Nut
Schedule B Class 7318160000
ECCN (Export Control Class) EAR99
Locking Feature Prevailing torque all metal design
Hardness Rating 49.0 rockwell c maximum
Criticality Code Justification Feat
Lubrication Dry film lubricant
Material Steel overall
Thread Size 0.250 inches
Nut Style Hexagon
Overall Height 0.204 inches minimum and 0.219 inches maximum
Special Features Weapons system essential
Surface Treatment Cadmium and chromate
Surface Treatment Specification Qq-p-416 type 2 class 3 fed spec single treatment response overall
Tempurature Rating 450 degree fahrenheit nominal
Thread Class 3b
Thread Direction Right-hand
Thread Qty Per Inch (tpi) 28
Thread Series Unjf
Washer Outside Diameter 0.420 inches maximum
Washer Thickness 0.019 inches minimum
Width Across Flats 0.304 inches minimum and 0.316 inches maximum

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  • NSN (National stock number)
  • Manufactured By
  • ECCN (Export Control Class)

MS21042L Series Products

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Self-Locking Nut
NSN 5310-00-807-1474 thread 10-32 nut


NSN 5310-00-807-1471 thread 4-40 nut

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