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 6220-01-221-2705
NSN 6150-01-284-1052
NSN 6150-00-481-3708
NSN 6135-00-913-2062
NSN 6685-01-623-7694
NSN 5905-01-598-3009
NSN 5930-00-103-5197
NSN 5915-01-054-3109
NSN 5920-01-006-0417
NSN 6145-01-624-0094
NSN 2925-01-477-8037
NSN 6110-01-358-8841