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 6320-01-255-2096
NSN 7035-01-553-8618
NSN 6645-00-469-5963
NSN 7035-01-419-1462
NSN 5905-01-403-2806
NSN 5945-00-512-3497
NSN 5998-00-155-6002
NSN 5915-01-575-7317
NSN 5996-01-345-2043
NSN 4140-01-347-3344
NSN 5905-00-356-4324
NSN 6620-01-646-0105