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 6320-01-422-1212
NSN 6135-01-487-6275
NSN 6240-01-188-7282
NSN 5975-00-345-1339
NSN 5915-00-328-9663
NSN 6135-00-686-4777
NSN 7035-01-577-5705
NSN 5965-00-189-9394
NSN 6685-00-276-9889
NSN 5985-00-961-0790
NSN 5920-00-602-7626
NSN 5910-00-262-6203