A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 4140-00-964-8623
NSN 6320-00-139-1090
NSN 5999-01-393-4471
NSN 6150-01-380-9723
NSN 6145-01-159-5133
NSN 5925-01-353-9106
NSN 5930-01-361-4335
NSN 5835-00-470-4295
NSN 5935-00-239-9637
NSN 5930-01-653-9092
NSN 6650-01-244-5614
NSN 5950-01-355-1595