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 5935-01-012-2565
NSN 5915-01-382-9383
NSN 5855-01-100-3272
NSN 6220-01-162-7630
NSN 5915-00-776-6496
NSN 5945-01-642-9638
NSN 5835-00-233-6327
NSN 4140-00-145-7334
NSN 6105-01-023-2773
NSN 6220-01-231-7601
NSN 6685-01-122-7471
NSN 4140-01-318-4888