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 4140-01-256-6201
NSN 6650-00-367-9230
NSN 5905-00-483-7398
NSN 5975-01-188-8873
NSN 5920-01-530-0424
NSN 5905-00-679-5923
NSN 6650-01-481-3618
NSN 5835-00-404-6149
NSN 6320-00-456-2092
NSN 5905-01-506-4178
NSN 5999-01-534-7887
NSN 4140-01-384-5267