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 6645-01-243-3138
NSN 5945-01-565-8259
NSN 5990-00-761-3754
NSN 5925-00-529-0441
NSN 6240-00-422-1278
NSN 5905-00-253-3461
NSN 5975-01-437-9566
NSN 6110-01-550-2826
NSN 5945-01-545-3156
NSN 5915-01-171-6222
NSN 6220-01-164-3651
NSN 5935-01-393-8679