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 6620-01-576-7723
NSN 5920-01-227-1877
NSN 5915-01-456-7077
NSN 7035-01-008-5569
NSN 5925-01-432-2731
NSN 5998-00-587-3341
NSN 5950-00-253-0454
NSN 5925-01-600-6303
NSN 5950-00-190-4764
NSN 5905-01-559-8844
NSN 5960-01-207-6232
NSN 6685-00-228-6983