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 5998-01-279-9501
NSN 5895-01-385-4888
NSN 5945-01-166-9998
NSN 5855-01-060-2820
NSN 6650-01-229-7500
NSN 5998-00-990-0820
NSN 6320-00-377-5683
NSN 6320-01-552-8721
NSN 5895-00-775-3765
NSN 5945-00-062-0188
NSN 5905-01-098-2189
NSN 6130-00-226-0417