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 4140-01-132-6612
NSN 4140-01-648-8257
NSN 5965-01-296-8991
NSN 6610-01-084-8224
NSN 5998-01-003-4916
NSN 5925-00-758-2787
NSN 5965-00-760-5404
NSN 5990-01-231-9608
NSN 5905-01-466-3706
NSN 5996-01-589-4840
NSN 5905-01-083-4796
NSN 5915-00-681-2613