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 6145-00-945-4220
NSN 5945-00-470-9334
NSN 5965-01-535-5789
NSN 5915-00-265-0967
NSN 7035-01-560-0573
NSN 4140-01-093-1455
NSN 4140-01-466-3852
NSN 5999-00-514-2142
NSN 6145-01-381-2529
NSN 6645-01-512-2034
NSN 6620-00-421-2223
NSN 5950-00-840-8335