Identified as dash no. 20 o-ring used on bae rear end cap bom
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 5910-01-338-0009
NSN 5985-00-644-9008
NSN 4140-00-594-4452
NSN 5895-00-197-7188
NSN 6220-01-596-3176
NSN 5920-01-374-5419
NSN 5835-01-438-7899
NSN 5930-01-169-6347
NSN 6620-00-716-0001
NSN 5905-01-393-8477
NSN 5895-01-331-3496
NSN 6105-00-614-8003