MS21225-4 NUT

• Nut Style: Slotted, hexagon

• Locking Feature: Prevailing torque, all-metal design

• Material: Iron Alloy 660

• Material Specification: AMS 5525, AMS 5725, or AMS 5737 (Association Standard single material response)

• Surface Treatment: Silver plating

• Surface Treatment Specification: AMS 2411 (Association Standard single treatment response)

• Thread Size: 0.250 inches

• Thread Series: UNJF (fine thread with controlled external root radius)

• Thread Class: 3B

• Thread Direction: Right-hand

• Threads per Inch (TPI): 28

• Width Across Flats: 0.430 – 0.439 inches

• Nut Height: 0.266 – 0.296 inches

• Bearing Surface Type: Washer-faced

• Temperature Rating: 800°F

All claims for error, shortage or damage must be made within 7 days after receipt of goods. Parts must be returned within 15 days.

EXW