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 5945-00-162-2556
NSN 5965-01-154-6319
NSN 5965-01-431-8147
NSN 6130-00-903-2603
NSN 2925-01-492-5342
NSN 5999-01-338-8230
NSN 6620-01-560-6933
NSN 5935-01-660-7870
NSN 5905-01-067-8161
NSN 6130-00-061-2091
NSN 5930-01-495-8116
NSN 6685-01-054-9054