Lock Nut - Thread 1/4-28 (50 per pack) - MS27151-13

 Lock Nut - Thread Size 1/4-28 (50 per pack) - MS27151-13/AN356-428

These nuts are also known as retaining nuts.

They are stamped from 1050 spring steel and cadmium plated per QQ-P-416A, Type II, Class 3.  (50 per pack) 

OEM or PMA? Your Choice! See Related Products below for equivalent parts.

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Note: All prices "each" unless specified. Images represent attributes, not quantity. Application information is provided for reference only. Make sure to refer to the applicable airframe/engine manufacturer's manual for exact application information.