MS21042L4 Nut

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

About this product thread 1/4-28.

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MS21042L4 MS21042L4 MS21042L4 MS21042L4 MS21042L4

Product Details

Part Number or Model MS21042L4
Description Self-Locking Nut
Schedule B Class 7318160000
ECCN (Export Control Class) EAR99
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
Thread Qty Per Inch (tpi) 28
Thread Series Unjf
Thread Size 0.250 inches
Thread Direction Right-hand
Tempurature Rating 450 degree fahrenheit
Thread Class 3b
Surface Treatment Cadmium and chromate
Surface Treatment Specification Qq-p-416 type 2 class 3 fed spec single treatment response overall
Special Features Weapons system essential
Overall Height 0.204 inches minimum and 0.219 inches maximum
Nut Style Hexagon
Material Steel overall
Lubrication Dry film lubricant
Locking Feature Prevailing torque all metal design
Hardness Rating 49 rockwell maximum
Criticality Code Justification Feat

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MS21042L Series Products

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Self-Locking Nut
Self-Locking Nut


Self-Locking Nut
Manufacture certs NSN 5310-00-807-1474 thread 10-32 self locking nut


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

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