Oxygen clean requirement
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 5965-00-296-2243
NSN 5935-00-874-3432
NSN 6135-00-062-5080
NSN 5990-00-929-8923
NSN 5990-01-114-5095
NSN 6135-00-175-7132
NSN 5855-00-436-3852
NSN 5985-01-355-0316
NSN 5905-01-105-6247
NSN 5925-00-597-1558
NSN 5999-01-432-0949
NSN 5905-01-462-6835