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 6645-00-556-1888
NSN 6610-01-537-0816
NSN 6130-01-590-4073
NSN 5999-00-532-0264
NSN 4140-01-440-0653
NSN 5895-01-441-5343
NSN 2925-00-895-9215
NSN 5920-01-229-0623
NSN 6145-01-301-2003
NSN 6145-00-635-9957
NSN 5935-01-227-5339
NSN 5925-01-546-3408