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 6145-01-131-8557
NSN 6685-01-167-8612
NSN 7035-00-782-7046
NSN 6650-01-339-7571
NSN 5985-00-121-5270
NSN 6110-01-314-6117
NSN 6220-01-337-2933
NSN 6320-00-456-2092
NSN 4140-00-357-8181
NSN 5925-00-452-1270
NSN 5999-01-130-2017
NSN 6610-01-296-2104