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 5930-01-414-9229
NSN 5998-00-631-9511
NSN 5990-01-255-7387
NSN 6620-01-290-2973
NSN 5990-01-526-9941
NSN 4140-00-066-0538
NSN 5835-01-485-0210
NSN 5975-01-483-0504
NSN 5999-01-037-8645
NSN 6685-00-263-4545
NSN 5975-01-233-7932
NSN 5950-00-238-9993