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 6320-01-227-2648
NSN 5950-01-383-2033
NSN 6685-01-313-4499
NSN 6130-01-394-4153
NSN 6320-01-388-3125
NSN 6135-00-932-3136
NSN 2925-00-945-0792
NSN 5999-00-223-7147
NSN 5990-01-272-4091
NSN 5996-00-942-1195
NSN 2925-01-656-0392
NSN 6220-01-598-6900