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 5999-01-080-6392
NSN 6650-00-520-5785
NSN 6685-00-527-9335
NSN 5905-01-192-5318
NSN 5835-01-222-2437
NSN 6145-01-224-6917
NSN 5910-01-472-1667
NSN 6135-00-078-9931
NSN 5998-00-224-4738
NSN 5960-01-170-4057
NSN 6110-01-314-3549
NSN 5945-01-113-8277