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 6135-01-278-9717
NSN 6105-00-890-0785
NSN 5910-01-388-2895
NSN 6320-01-125-3361
NSN 6220-01-194-2963
NSN 6650-00-116-7439
NSN 6645-01-466-0185
NSN 5996-00-476-5908
NSN 5990-00-789-1333
NSN 5915-01-559-8039
NSN 5998-01-628-8639
NSN 6685-01-178-7635