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 5945-01-307-7365
NSN 5965-01-508-1093
NSN 5998-01-580-1992
NSN 6145-00-844-3777
NSN 5990-01-522-6096
NSN 6150-01-555-0803
NSN 5855-01-312-5160
NSN 5925-01-241-4590
NSN 2925-00-960-4737
NSN 5999-01-345-6273
NSN 5950-01-125-7455
NSN 5975-00-935-2232