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 4140-01-478-0050
NSN 5996-01-463-1685
NSN 5985-00-886-8507
NSN 5996-01-134-9922
NSN 6320-00-539-9283
NSN 5935-01-537-0626
NSN 4140-00-054-6467
NSN 5975-01-645-8046
NSN 5998-01-464-5558
NSN 6240-01-207-8056
NSN 5985-00-988-6835
NSN 2925-00-519-0766