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 6685-01-497-2729
NSN 6150-01-183-0750
NSN 5855-00-361-0167
NSN 6150-01-083-2907
NSN 5930-01-154-3828
NSN 4140-01-469-6140
NSN 6620-01-471-8128
NSN 6650-01-086-4814
NSN 5905-01-384-2789
NSN 5985-00-323-0290
NSN 5910-00-145-5754
NSN 6220-01-363-9713