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 5905-00-138-7301
NSN 5998-01-548-0857
NSN 6150-01-235-4343
NSN 5910-00-644-3818
NSN 5905-01-420-6202
NSN 5975-01-220-0633
NSN 6620-01-220-8579
NSN 5935-01-634-0668
NSN 5905-00-836-0123
NSN 6685-01-263-8378
NSN 5990-01-531-5962
NSN 6620-00-160-0844