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 6620-01-598-2271
NSN 6610-01-057-7474
NSN 6620-01-209-1472
NSN 6145-00-770-2913
NSN 6685-01-062-1430
NSN 5975-01-135-9794
NSN 5950-01-316-3436
NSN 6320-01-230-8444
NSN 6610-01-593-8179
NSN 6135-01-079-7852
NSN 5985-01-335-1751
NSN 5925-01-467-2668