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 4140-00-001-8404
NSN 5999-01-461-7893
NSN 6145-01-321-0610
NSN 6110-01-631-4165
NSN 6130-00-725-6913
NSN 5855-00-688-9954
NSN 7035-01-209-0045
NSN 6650-01-392-8086
NSN 5945-01-415-2228
NSN 5990-00-899-1662
NSN 6650-01-327-0323
NSN 6645-01-157-9080