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 5950-01-171-7637
NSN 5945-01-350-3582
NSN 5990-01-463-2279
NSN 6240-00-102-4003
NSN 2925-01-174-6786
NSN 6685-00-153-3914
NSN 5835-00-233-6327
NSN 5998-01-530-0568
NSN 5950-01-420-5166
NSN 6320-01-449-1014
NSN 5975-01-468-5765
NSN 2925-00-005-1618