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 4140-01-430-7170
NSN 6240-01-246-4258
NSN 5950-00-092-6341
NSN 5998-00-630-9384
NSN 5925-01-254-2578
NSN 5985-00-208-6751
NSN 6650-01-508-8939
NSN 5975-00-761-5602
NSN 4140-00-283-6843
NSN 2925-01-180-7793
NSN 5895-01-568-9978
NSN 5965-00-847-2865