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 6145-00-228-2207
NSN 4140-01-565-0979
NSN 6220-01-181-1154
NSN 5935-01-386-3736
NSN 5855-01-298-2519
NSN 2925-01-538-1343
NSN 6130-00-013-7866
NSN 5950-01-157-8144
NSN 5925-01-156-8026
NSN 6135-01-159-9705
NSN 5915-01-411-6933
NSN 5855-00-165-3093