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 6240-01-200-7937
NSN 6685-01-079-1791
NSN 6645-01-006-6735
NSN 6685-01-252-9470
NSN 4140-01-264-0885
NSN 5915-00-063-3689
NSN 5990-01-400-3299
NSN 4140-01-579-3686
NSN 5975-00-082-0894
NSN 6145-00-705-6686
NSN 6650-00-116-7439
NSN 5925-01-294-1972