M22x1.5-6h thread
No other part numbers with same form, fit, and function found.
A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
NSN 6145-01-082-1404
NSN 7035-00-320-5644
NSN 6105-01-255-4028
NSN 6240-00-275-1950
NSN 6685-00-111-1123
NSN 5998-00-246-6895
NSN 6650-00-840-9758
NSN 5855-01-492-6385
NSN 6150-01-410-9061
NSN 5999-00-035-9288
NSN 5945-00-735-5381
NSN 5930-00-320-1732