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 5990-01-144-6994
NSN 7035-00-476-7178
NSN 6150-01-380-8970
NSN 5930-01-195-1301
NSN 6145-01-223-0282
NSN 6610-01-440-9913
NSN 6110-01-362-1929
NSN 4140-00-660-8699
NSN 6220-01-477-3425
NSN 6145-01-520-9105
NSN 6240-01-272-4632
NSN 5985-01-155-8064