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 5915-01-158-0000
NSN 6645-01-029-8528
NSN 5910-01-384-3696
NSN 4140-01-449-1826
NSN 6220-01-401-5337
NSN 5998-00-937-7464
NSN 6145-01-457-7685
NSN 6105-01-097-7413
NSN 7035-01-580-0957
NSN 5905-01-221-7873
NSN 5960-01-363-3805
NSN 5925-01-228-5413