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 5990-01-425-2175
NSN 5996-01-557-1119
NSN 5990-01-633-9503
NSN 5998-01-240-3999
NSN 6105-01-389-6772
NSN 5998-01-308-5685
NSN 5920-01-580-7747
NSN 6650-01-577-5309
NSN 6220-00-353-0942
NSN 5910-01-108-8400
NSN 5960-01-318-6557
NSN 6610-01-326-8660