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 6145-01-248-6284
NSN 6105-00-541-8472
NSN 5915-01-351-5656
NSN 6145-00-877-2794
NSN 5925-01-470-0438
NSN 7035-01-256-1440
NSN 6610-01-229-3679
NSN 5999-01-089-6974
NSN 5935-00-014-5841
NSN 5855-01-105-7793
NSN 6220-00-827-0227
NSN 5905-00-807-9846