Used on 4120-01-449-0459;air conditioner. right-hand 16 thread quantity per inch hardware may be purchased commercially from cage code 94833 (keco industries, inc) zinc surface treated
Used on 5411-01-436-3326;shelter,nonexpandable,lightweight,multipurpose. 2b thread class right-hand 18 thread quantity per inch nut has flats on o.d., length between flats is 1.750 in nom.