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 5930-01-098-0400
NSN 5960-01-137-2329
NSN 6620-01-222-0143
NSN 4140-00-789-6935
NSN 4140-01-332-1134
NSN 5990-00-011-2994
NSN 5960-01-111-7923
NSN 6135-01-421-4855
NSN 5935-01-082-0046
NSN 5990-00-285-1948
NSN 6320-01-177-3192
NSN 5920-01-431-8683