Od is 0.375 in
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 6610-01-284-6968
NSN 6650-01-066-0420
NSN 6105-00-719-9943
NSN 5920-00-192-1723
NSN 6610-01-473-5678
NSN 6105-00-305-7727
NSN 5999-01-355-3817
NSN 4140-01-266-0625
NSN 5998-00-280-2733
NSN 5895-01-221-7572
NSN 6130-01-654-5659
NSN 6620-01-054-9346