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 5990-01-157-0441
NSN 5965-00-590-7995
NSN 5945-01-555-5509
NSN 6220-00-155-4524
NSN 5895-00-223-3869
NSN 6320-00-731-6134
NSN 6620-01-630-6759
NSN 4140-01-641-0837
NSN 6135-01-423-7502
NSN 7035-01-530-6707
NSN 6150-01-188-8232
NSN 5950-00-064-9236