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 6685-01-189-8225
NSN 6685-01-462-0141
NSN 5920-00-690-1930
NSN 5960-01-092-4762
NSN 5905-00-582-1356
NSN 6620-01-474-4951
NSN 6240-01-519-8781
NSN 6685-01-634-0611
NSN 6320-01-335-8336
NSN 6240-00-435-0433
NSN 5925-00-629-1974
NSN 6110-00-294-7648