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 6240-00-708-2083
NSN 5835-00-341-5441
NSN 5985-00-441-7931
NSN 5895-01-119-1601
NSN 6685-01-257-1799
NSN 5945-00-932-4231
NSN 5920-01-167-8908
NSN 5905-00-023-0072
NSN 6130-00-323-8300
NSN 6105-01-337-1927
NSN 5915-01-148-7985
NSN 5935-01-132-8382