Technical manual no tm9-6115-542-24&p location fig f16, item 19
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 5835-01-143-9143
NSN 6650-01-594-3888
NSN 6135-01-348-8264
NSN 6610-01-316-1830
NSN 4140-01-383-0239
NSN 7035-01-067-2663
NSN 6110-00-181-5634
NSN 6135-01-142-2417
NSN 6320-00-174-1362
NSN 5910-01-471-8338
NSN 5925-00-320-7673
NSN 5935-01-384-3348