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 4140-01-043-8556
NSN 6220-01-323-5408
NSN 6320-01-449-1014
NSN 6650-01-105-9500
NSN 5990-01-349-8132
NSN 7035-01-484-8037
NSN 5960-01-485-2467
NSN 6645-01-061-2916
NSN 5950-01-553-0384
NSN 6320-01-374-9924
NSN 5920-01-564-9262
NSN 6130-01-630-8438