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 5998-01-598-3257
NSN 6220-01-309-0670
NSN 5905-00-139-1313
NSN 6320-01-441-2438
NSN 4140-00-144-0226
NSN 5996-01-028-7884
NSN 5920-01-260-8566
NSN 5975-01-251-3036
NSN 6685-01-012-2597
NSN 5999-00-954-9087
NSN 5920-01-439-8566
NSN 6130-00-904-8438