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 6110-00-469-2517
NSN 4140-00-575-5106
NSN 5950-01-239-4349
NSN 6135-00-497-0491
NSN 6145-01-453-7015
NSN 6220-01-449-2014
NSN 5975-01-534-7807
NSN 5925-01-343-3596
NSN 4140-01-322-7476
NSN 6135-01-286-9563
NSN 5930-00-169-6121
NSN 5925-01-588-7668