The NAS1291C3M series nut is an all metal stop nut designed for use in high temperature installations up to 450 degrees F. NAS1291C3M non-corrosive self locking nuts are fabricated from carbon steel per specification QQ-P-416C. Alternate part numbers NAS X02 to X6 (-) are dry film lube.
The NAS1291C3M all-metal stop nut is designed for use in high temp installations up to 450ºF. Fabricated from carbon steel per specification QQ-P-416C. Non-corrosive.
THREAD: AS8879
MATERIAL: carbon or alloy steel, heat treated
FINISH of NAS1291C3M: Cadmium plate per AMS-QQ-P-416, Type II, Class 2 and molybdenum disulfide dry film lubricant per AS5272, Type I.
TEMPERATURE: 450°F