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 5985-01-169-6740
NSN 6110-00-177-8755
NSN 5990-00-108-5400
NSN 5935-00-932-3329
NSN 6620-01-094-6549
NSN 5935-00-493-0497
NSN 5998-01-080-8817
NSN 5985-00-984-1861
NSN 6110-01-197-6954
NSN 5935-01-008-8734
NSN 5910-00-757-9816
NSN 6105-00-722-1178