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 5975-00-541-8531
NSN 6150-01-293-3464
NSN 6220-00-141-0268
NSN 6320-01-487-0336
NSN 5960-00-764-7164
NSN 2925-00-471-1128
NSN 7035-00-238-3662
NSN 6145-01-170-3797
NSN 5998-01-333-8044
NSN 5930-01-462-5120
NSN 6620-01-426-2220
NSN 5835-01-343-7516