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 5910-01-392-6379
NSN 5960-01-474-4843
NSN 5998-01-610-3141
NSN 6610-00-285-5366
NSN 7035-00-679-9027
NSN 5985-01-106-3968
NSN 5915-00-804-5806
NSN 6610-01-287-9814
NSN 5990-01-548-5979
NSN 6320-01-643-0850
NSN 6150-01-309-9973
NSN 6220-01-197-6976