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 6240-00-594-7138
NSN 6130-01-232-0854
NSN 5905-01-612-1444
NSN 4140-01-170-5395
NSN 5996-01-088-7074
NSN 6610-01-394-4944
NSN 5935-01-578-4819
NSN 5915-00-584-3512
NSN 5935-01-565-6478
NSN 5950-00-263-3671
NSN 6685-00-863-6350
NSN 4140-00-138-4139