THREAD: AS8879
MATERIAL:
Nut and cradle - 8740 per AMS 6322 or 4340 per AMS 6415 alloy steel.
Roll Pin - 300 series corrosion resistant steel.
FINISH:

• Nut - Cadmium plate per AMS-QQ-P-416, Type II, Class 2 and Kaylube molybdenum disulfide dry lubricant per AS5272, Type I.
• Cradle - Cadmium plate per AMS-QQ-P-416, Type II, Class 2.
• Roll Pin - Passivate per AMS2700.

FLOATABILITY: .028 minimum on "X" axis; .016 maximum end to end.
APPLICATION: NASM25027, as applicable per NAS 577. F1800 is for use in applications requiring a high strength nut where access is restricted.