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 4140-01-345-0302
NSN 6685-01-271-5058
NSN 5895-01-328-8045
NSN 5996-01-495-2923
NSN 5935-01-139-3883
NSN 2925-01-118-6125
NSN 5835-00-928-5717
NSN 5985-00-892-1071
NSN 6320-01-276-4739
NSN 6110-01-533-7196
NSN 5990-00-101-0065
NSN 5965-00-079-0928