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 6145-00-847-6772
NSN 5835-01-416-6449
NSN 6685-00-547-6218
NSN 6645-01-633-1852
NSN 5960-00-372-2177
NSN 5925-01-303-7595
NSN 6320-00-403-6003
NSN 5905-01-214-0613
NSN 6150-01-551-0844
NSN 6320-00-593-0379
NSN 6105-00-827-4093
NSN 5915-01-484-5029