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 5905-00-295-8630
NSN 6130-00-765-2255
NSN 5998-01-503-0427
NSN 5905-01-375-9106
NSN 5999-01-043-9160
NSN 5990-01-640-7795
NSN 6110-01-484-8974
NSN 7035-01-333-9298
NSN 6240-01-558-3778
NSN 5910-00-008-1645
NSN 6220-01-123-9290
NSN 6685-00-343-8230