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 6105-00-539-8809
NSN 5960-01-413-3877
NSN 5895-01-514-2948
NSN 5930-01-634-0659
NSN 6610-01-364-8295
NSN 6150-00-208-3211
NSN 5920-01-452-0001
NSN 5895-00-009-5698
NSN 5910-00-242-4284
NSN 5960-01-160-3437
NSN 6150-01-349-1012
NSN 5905-01-634-0595