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 6620-01-345-9488
NSN 6685-01-605-5707
NSN 5925-00-997-1298
NSN 6150-01-349-1012
NSN 5950-00-243-9668
NSN 5945-01-495-9753
NSN 5996-01-371-2958
NSN 6150-00-111-2652
NSN 5975-00-012-4376
NSN 6130-01-157-5052
NSN 6620-00-185-1671
NSN 6130-00-213-3171