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 6620-01-126-3237
NSN 5835-01-185-1102
NSN 5965-00-035-4556
NSN 6610-01-571-5740
NSN 6685-01-478-2999
NSN 5998-00-312-8469
NSN 2925-01-350-8372
NSN 7035-01-238-9301
NSN 6135-01-518-9813
NSN 6650-00-179-8970
NSN 6130-00-678-1162
NSN 5905-01-200-6983