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.
Classification: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber
NSN 4140-00-075-2000
NSN 6135-01-309-8414
NSN 5999-01-377-9907
NSN 6650-01-030-0238
NSN 5910-01-202-8330
NSN 5990-01-212-2037
NSN 6320-01-429-9871
NSN 6135-01-594-9930
NSN 6220-01-442-5159
NSN 6320-00-831-2227
NSN 5895-01-365-5039
NSN 6685-00-265-7530