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 5990-01-647-8574
NSN 5998-01-618-7692
NSN 6240-00-113-5239
NSN 6320-01-512-2031
NSN 5910-00-579-7752
NSN 5930-01-109-3162
NSN 5945-01-033-9342
NSN 2925-01-277-5882
NSN 6650-01-330-4857
NSN 6620-00-635-7347
NSN 5999-01-128-1414
NSN 5960-01-069-2009