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 5920-01-367-2236
NSN 6220-01-535-6968
NSN 5915-00-256-0040
NSN 5925-01-091-7220
NSN 6105-01-231-0855
NSN 6320-00-809-5744
NSN 6650-01-359-5385
NSN 5905-01-193-0617
NSN 5930-01-519-1291
NSN 6645-00-479-9334
NSN 5910-01-547-4612
NSN 5990-00-328-4490