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 6110-01-366-6952
NSN 5915-01-350-3696
NSN 5895-00-727-8708
NSN 5930-00-484-8124
NSN 5985-00-414-7882
NSN 6685-00-678-8083
NSN 5905-01-459-7218
NSN 5835-01-411-7050
NSN 6620-00-264-8030
NSN 6645-01-453-9871
NSN 5920-01-653-4189
NSN 6135-00-542-6216