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 5895-00-182-4763
NSN 5835-01-132-5894
NSN 4140-01-431-9065
NSN 7035-01-024-9511
NSN 5985-01-347-1025
NSN 5925-01-037-5866
NSN 6220-00-547-8807
NSN 5895-01-630-2714
NSN 5998-01-491-1331
NSN 5990-01-400-2195
NSN 5990-01-485-0260
NSN 6105-00-275-0826