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 5905-01-017-5129
NSN 5999-00-239-0886
NSN 4140-01-220-9171
NSN 2925-00-188-5003
NSN 5835-01-641-0073
NSN 6135-01-255-9129
NSN 5935-01-444-4968
NSN 2925-01-545-2717
NSN 5925-01-504-7731
NSN 5990-00-899-1662
NSN 5985-01-016-0295
NSN 6320-01-608-1935