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 4140-00-008-1875
NSN 4140-00-880-5140
NSN 6240-01-343-4322
NSN 5985-01-262-4661
NSN 5996-01-326-1827
NSN 6105-00-726-2754
NSN 6645-01-277-0530
NSN 5835-01-442-6482
NSN 5998-01-572-1028
NSN 6320-00-422-9006
NSN 5950-01-276-2907
NSN 2925-00-258-4773