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 4140-01-204-2907
NSN 5999-01-651-6837
NSN 5925-01-097-9960
NSN 6145-00-097-9437
NSN 5930-00-081-6909
NSN 5930-00-116-8211
NSN 5895-00-311-8969
NSN 6650-01-200-3293
NSN 5985-01-461-2199
NSN 6110-00-578-7243
NSN 6130-00-776-9817
NSN 5950-01-423-5832