An externally threaded fastening device which has an internal or external seat, designed to mate with the seat of an internally threaded tube fitting for the purpose of securing the tube to the fitting to form a leakproof connection.
NSN 6110-01-040-1780
NSN 5975-01-302-7586
NSN 5895-01-424-0311
NSN 5915-01-309-0038
NSN 5985-01-461-8380
NSN 5935-01-039-7278
NSN 6240-01-010-9038
NSN 5855-01-372-1622
NSN 6145-01-655-8136
NSN 5855-00-013-1244
NSN 5910-00-541-1381
NSN 6110-01-231-8683