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 4140-01-173-7869
NSN 5855-01-093-8202
NSN 4140-01-357-7867
NSN 5855-01-555-3354
NSN 6135-01-633-8502
NSN 5990-01-258-3848
NSN 5920-01-461-8719
NSN 5920-00-224-1589
NSN 5999-01-359-4771
NSN 5930-01-377-5263
NSN 6320-01-648-5538
NSN 6685-01-420-4575