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 5920-00-771-7280
NSN 5975-00-285-8003
NSN 6150-01-076-4811
NSN 5990-01-530-8452
NSN 4140-00-370-2612
NSN 5895-01-291-1135
NSN 5905-00-599-8736
NSN 6650-01-188-8028
NSN 6610-01-408-0056
NSN 5999-01-537-4252
NSN 5925-01-578-4597
NSN 5985-01-380-6598