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 4140-01-613-8430
NSN 6240-01-485-0008
NSN 6650-01-227-1632
NSN 5950-00-992-4674
NSN 5996-01-420-1306
NSN 6145-00-470-1606
NSN 5920-01-650-1820
NSN 6240-00-800-4668
NSN 5925-01-128-0262
NSN 6650-00-760-1385
NSN 5965-01-425-1347
NSN 6145-00-841-6348