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 4140-01-140-9727
NSN 6130-01-290-9776
NSN 5920-01-092-1148
NSN 5930-00-954-3228
NSN 6610-01-106-5012
NSN 5990-00-010-8186
NSN 6110-01-139-4646
NSN 5996-01-152-7396
NSN 6145-01-147-1337
NSN 5950-01-139-4165
NSN 5915-01-111-9971
NSN 6110-01-409-2692