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 5925-00-205-2767
NSN 2925-00-520-9546
NSN 6145-00-099-8986
NSN 6650-01-421-6957
NSN 6240-00-013-4764
NSN 6145-00-511-6061
NSN 5950-01-422-8292
NSN 6240-01-543-0193
NSN 5996-00-144-8091
NSN 4140-00-236-3239
NSN 5965-00-899-0453
NSN 5835-00-378-1429