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 5998-01-054-8907
NSN 6110-01-545-4522
NSN 5915-01-353-0944
NSN 5965-01-473-0825
NSN 4140-01-421-1132
NSN 5999-00-286-6231
NSN 5925-01-479-4507
NSN 6620-00-075-6667
NSN 5935-00-324-2467
NSN 6130-01-276-2776
NSN 5915-00-543-9675
NSN 6135-01-128-5358