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 6320-00-466-0371
NSN 6620-00-993-5547
NSN 6145-00-212-0422
NSN 5990-01-193-0487
NSN 6610-01-440-9913
NSN 4140-01-444-1033
NSN 5998-00-633-5169
NSN 5990-00-373-9787
NSN 5915-00-076-9108
NSN 6105-01-553-6626
NSN 5910-01-351-2265
NSN 4140-01-438-2350