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 5935-00-741-8660
NSN 5855-00-237-4088
NSN 5985-00-850-1524
NSN 5965-01-633-8849
NSN 5999-01-206-4332
NSN 5905-01-445-8709
NSN 5998-01-311-3202
NSN 6220-01-567-0793
NSN 6685-00-249-2797
NSN 5930-00-762-7268
NSN 5990-01-485-0260
NSN 6645-01-432-7026