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 5990-01-425-2175
NSN 6110-01-432-8264
NSN 5996-00-893-8088
NSN 6135-01-255-9129
NSN 6320-01-426-8947
NSN 6650-01-463-4564
NSN 5920-01-131-4374
NSN 6685-00-079-0057
NSN 6650-01-631-3027
NSN 5990-01-351-4621
NSN 5920-00-106-5751
NSN 5910-01-239-1559