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 5920-00-043-1425
NSN 5990-00-042-3413
NSN 6320-00-646-3311
NSN 4140-00-097-0167
NSN 6240-01-275-4535
NSN 6220-01-188-5852
NSN 5895-01-499-2837
NSN 7035-00-252-7467
NSN 6685-01-164-1218
NSN 5930-01-068-3641
NSN 6320-01-462-2295
NSN 4140-01-050-8096