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 6685-01-548-9660
NSN 6130-01-154-9666
NSN 5935-01-435-5065
NSN 6150-00-909-3930
NSN 5910-01-504-3913
NSN 5855-01-392-1808
NSN 5855-01-534-4577
NSN 6685-01-553-6020
NSN 6240-00-557-7471
NSN 5990-01-369-6915
NSN 5950-01-028-7927
NSN 5895-01-417-3012