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 5915-01-410-7741
NSN 5975-01-496-1500
NSN 6320-01-274-2501
NSN 5998-01-248-1343
NSN 6320-01-435-5991
NSN 6110-00-218-0967
NSN 4140-01-475-1352
NSN 5925-00-252-8222
NSN 5855-01-213-9076
NSN 6220-00-100-6276
NSN 6685-01-619-8665
NSN 5925-01-406-4093