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 6320-01-521-1764
NSN 2925-01-330-2988
NSN 5965-00-408-5501
NSN 5925-00-196-3997
NSN 5998-01-622-8751
NSN 4140-01-128-7301
NSN 6650-00-677-2577
NSN 6240-01-206-4809
NSN 5999-01-025-1404
NSN 5920-01-044-2685
NSN 6110-00-915-3561
NSN 5915-01-137-4975