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 6620-00-989-8692
NSN 6220-00-898-7311
NSN 5998-01-209-1736
NSN 6145-01-199-9554
NSN 5945-00-816-7274
NSN 6620-00-115-7620
NSN 6130-01-341-5124
NSN 5915-01-475-6867
NSN 5965-01-464-9885
NSN 5905-00-926-0528
NSN 6240-01-222-3523
NSN 6685-01-226-1235