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 5925-01-463-9258
NSN 6150-00-940-8660
NSN 5930-00-258-5287
NSN 5915-00-189-7514
NSN 6220-00-163-1183
NSN 6240-00-227-0135
NSN 6320-00-731-6134
NSN 6685-01-576-9843
NSN 6610-01-188-8163
NSN 5910-01-509-3471
NSN 6610-00-314-2605
NSN 6685-01-170-5651