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 5998-01-443-5711
NSN 6240-00-984-6257
NSN 5915-01-424-3186
NSN 5996-00-553-7348
NSN 5895-00-188-8156
NSN 6145-01-618-6159
NSN 5965-01-478-3590
NSN 6105-00-044-3269
NSN 6240-00-187-4306
NSN 5905-00-933-9306
NSN 6320-00-809-5744
NSN 5925-01-126-2640