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 2925-00-139-3231
NSN 5925-01-442-5795
NSN 5990-01-127-4853
NSN 6320-00-823-2015
NSN 5985-00-238-0267
NSN 5935-01-472-5883
NSN 5950-00-159-7621
NSN 4140-00-931-9638
NSN 5999-00-915-7562
NSN 5920-01-330-4912
NSN 6645-00-960-6594
NSN 5920-01-599-4518