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 4140-00-816-8820
NSN 4140-01-447-4606
NSN 6620-01-589-5411
NSN 6685-01-381-0759
NSN 5975-01-656-2626
NSN 5965-00-698-0433
NSN 5990-00-836-2542
NSN 5945-01-426-8747
NSN 5950-01-056-7687
NSN 6320-01-495-1244
NSN 5935-00-827-2688
NSN 5895-01-516-3117