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 5945-00-131-2211
NSN 6650-00-554-4568
NSN 5990-01-054-3332
NSN 5910-01-210-4094
NSN 5835-00-269-2232
NSN 2925-00-004-8881
NSN 6650-01-114-4663
NSN 5945-01-622-9554
NSN 5930-01-198-5708
NSN 6320-01-233-5798
NSN 5905-00-113-5047
NSN 6610-01-588-1148