Check the listing for details. 3/8-16 Hex Luck Nut Part # KP66129. Condition: New. Listed at 4.65 USD. Questions? Message Us! If you are not sure this will fit your application please contact us with your model and ser #. We are not responsible for shipping on returns for wrong parts if you don't contact us first. 3/8-16 Hex Luck Nut Part # KP66129 3/8-16 Hex Luck Nut Part # KP66129 Product Hex Lock Nut: Distorted Thread, 3/8-16, Grade C Steel, Zinc-Plated with Wax Right Hand Thread Specifications Nut Type Hex Lock Nut Material Steel Thread Size (Inch) 3/8-16 Material Grade C Locking Style Distorted Thread Thread Direction Right Hand Fastener Standard UNC Military Specification Does Not Meet Military Specifications System Of Measurement Inch Finish Coating Waxed; Zinc UNSPSC Code 31161716 Shipping Shipping cost: Varies Delivery time:Ships within one business day. Payment We accept the following payment methods: PayPal Please contact us if you have any questions. Service If you are not sure this will fit your application please contact us with your model and ser #. We are not responsible for shipping on returns for wrong parts if you don't contact us first.