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 6135-00-613-1068
NSN 6150-01-124-0201
NSN 6620-01-171-9597
NSN 6240-01-542-3081
NSN 5965-00-976-9465
NSN 5999-01-092-4942
NSN 5855-01-634-0259
NSN 5920-01-355-0289
NSN 6220-00-079-2943
NSN 6220-01-166-0004
NSN 6685-00-127-0934
NSN 6620-01-633-8443