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 5990-00-977-9261
NSN 6130-01-640-7389
NSN 5910-00-216-8081
NSN 5920-01-114-1659
NSN 5925-01-516-7002
NSN 5990-01-032-5160
NSN 6685-01-343-8673
NSN 4140-00-640-6608
NSN 6110-00-985-2342
NSN 6220-00-433-9337
NSN 5935-00-905-6652
NSN 5910-01-456-1923