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 5960-01-344-2604
NSN 5925-01-396-1584
NSN 5999-01-016-0334
NSN 6135-00-990-1822
NSN 5915-00-141-0410
NSN 6220-01-202-8907
NSN 5985-00-023-4433
NSN 6135-01-338-8969
NSN 6650-01-573-7165
NSN 6610-00-144-4759
NSN 6620-00-041-3406
NSN 5999-01-621-6162