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 4140-01-055-6355
NSN 5855-01-332-3011
NSN 6320-01-522-0318
NSN 6620-01-580-2112
NSN 6240-00-724-6867
NSN 6240-01-312-2061
NSN 5905-01-508-4193
NSN 5905-00-997-5044
NSN 6130-01-411-9306
NSN 4140-00-320-8614
NSN 6620-01-578-7561
NSN 5925-01-112-5405