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 6650-01-631-1955
NSN 4140-01-157-8181
NSN 5930-01-461-9864
NSN 5925-01-406-2879
NSN 6650-00-187-5388
NSN 5855-01-293-1592
NSN 6645-01-122-8306
NSN 6220-01-133-5941
NSN 2925-01-076-6128
NSN 5930-01-625-5738
NSN 5965-00-407-4828
NSN 5920-01-634-0250