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 5935-00-490-6417
NSN 6105-01-521-2593
NSN 5925-00-005-7053
NSN 5930-01-467-1977
NSN 5935-01-322-9719
NSN 5920-00-409-3650
NSN 6240-00-779-3394
NSN 5965-00-925-1725
NSN 5925-01-533-0656
NSN 6650-01-506-5636
NSN 5998-01-013-9971
NSN 7035-01-297-7941