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 5965-01-089-8579
NSN 6150-01-451-1584
NSN 5990-01-579-2711
NSN 4140-00-952-2287
NSN 6105-01-592-4134
NSN 6110-01-105-5587
NSN 5910-01-433-6890
NSN 6135-00-016-0071
NSN 5915-00-463-6623
NSN 5910-01-595-7067
NSN 5930-01-011-0042
NSN 5965-00-989-9345