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 5910-00-405-4231
NSN 2925-01-074-9102
NSN 6320-01-097-5347
NSN 6240-00-419-3185
NSN 5950-01-414-6930
NSN 5990-01-430-3152
NSN 6220-01-529-6112
NSN 5915-01-139-5070
NSN 5930-00-862-7001
NSN 5998-00-368-0439
NSN 6240-00-538-8907
NSN 6135-01-297-2308