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 5915-01-265-3960
NSN 5975-01-067-0425
NSN 6650-00-877-6972
NSN 6320-00-937-5625
NSN 4140-01-462-5901
NSN 6650-01-121-5754
NSN 6685-01-147-5617
NSN 6110-01-614-6099
NSN 6220-01-168-7773
NSN 5960-00-361-8409
NSN 6145-01-579-3462
NSN 6145-01-217-8429