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 4140-00-490-9028
NSN 5905-00-528-1957
NSN 6610-01-119-0662
NSN 5996-01-144-7621
NSN 5960-00-233-5488
NSN 5910-00-418-3859
NSN 6240-00-263-0549
NSN 6150-00-138-0716
NSN 6620-01-643-1483
NSN 5998-01-347-1976
NSN 6220-01-485-0333
NSN 6650-00-726-4242