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 4140-00-272-6538
NSN 5930-01-463-7958
NSN 5925-01-501-6074
NSN 6110-01-647-4589
NSN 6650-01-609-1993
NSN 6685-00-017-9516
NSN 6620-01-563-5251
NSN 4140-01-456-3925
NSN 5975-00-127-9989
NSN 5855-00-832-9341
NSN 5965-00-521-0511
NSN 6240-00-275-1950