Required to be oxygen cleaned iaw a/f dwg 8148650
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 6105-00-847-4598
NSN 4140-01-290-7409
NSN 6240-00-905-5029
NSN 7035-01-191-2822
NSN 5910-00-663-5865
NSN 2925-01-594-5385
NSN 6320-01-036-2598
NSN 5998-01-129-5527
NSN 5920-01-432-3991
NSN 5985-01-533-5775
NSN 5925-01-414-2766
NSN 5935-01-632-1810