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 5835-01-497-5029
NSN 6650-00-782-4624
NSN 5945-00-472-1432
NSN 6145-00-220-9933
NSN 6685-01-431-7927
NSN 5960-00-932-8335
NSN 4140-01-567-6160
NSN 6240-00-269-3346
NSN 4140-01-531-1545
NSN 6105-01-562-2922
NSN 2925-01-565-6410
NSN 6240-00-252-7695