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 5915-00-269-3749
NSN 6220-00-421-3508
NSN 6150-01-178-1050
NSN 5925-01-553-5958
NSN 5996-01-043-2105
NSN 2925-01-271-6234
NSN 5945-01-272-2460
NSN 2925-00-010-9609
NSN 6220-01-300-6479
NSN 6685-01-395-2057
NSN 5925-01-159-7595
NSN 5920-00-953-5037