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 4140-01-009-5859
NSN 6320-01-481-7322
NSN 6240-01-146-1369
NSN 5925-00-100-5242
NSN 6130-01-630-0188
NSN 5925-01-320-2767
NSN 5920-01-508-4243
NSN 5990-01-652-7373
NSN 6685-01-661-2469
NSN 5975-00-467-3999
NSN 7035-00-104-7613
NSN 6610-01-229-3679