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 6240-01-179-1189
NSN 6620-01-661-0455
NSN 6150-01-522-7461
NSN 5975-01-278-9382
NSN 6110-01-180-3154
NSN 5950-01-451-2617
NSN 5998-01-622-6179
NSN 6240-01-480-7820
NSN 5920-01-376-4926
NSN 5930-01-464-3707
NSN 6685-00-753-2896
NSN 5935-00-823-6962