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 4140-01-105-4823
NSN 5935-01-378-4013
NSN 6145-01-472-3120
NSN 6650-00-503-3918
NSN 5985-01-269-4083
NSN 5950-01-258-5708
NSN 6685-01-197-3838
NSN 5930-00-857-3349
NSN 6135-01-449-0625
NSN 5935-00-300-2577
NSN 5895-01-409-1611
NSN 5975-01-532-3254