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 6610-00-526-9440
NSN 6130-01-333-4130
NSN 6650-00-641-6139
NSN 5965-01-132-8736
NSN 5835-01-089-1076
NSN 6650-01-449-3865
NSN 5905-00-300-2653
NSN 6320-01-422-1212
NSN 5925-01-618-2646
NSN 6650-00-007-3374
NSN 4140-01-515-8749
NSN 6150-01-230-6696