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 5998-00-262-4879
NSN 6610-01-020-3764
NSN 6685-01-030-2749
NSN 5835-01-486-4191
NSN 5915-01-113-6834
NSN 5965-01-415-1210
NSN 5945-01-066-5983
NSN 6150-00-167-2272
NSN 5935-00-752-4952
NSN 5915-01-069-2635
NSN 5915-00-773-2333
NSN 5935-00-753-1070