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 6220-01-449-2807
NSN 5925-00-727-3832
NSN 5996-00-642-9832
NSN 5985-01-077-3337
NSN 5998-00-509-5069
NSN 5945-01-472-2941
NSN 6130-01-143-2271
NSN 6685-01-490-4750
NSN 6650-00-471-1117
NSN 5985-01-619-5318
NSN 7035-01-118-9461
NSN 6135-01-421-1052