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 5945-01-575-6390
NSN 5925-01-254-2578
NSN 6220-01-322-2805
NSN 6220-01-316-6324
NSN 5930-01-351-0999
NSN 5920-00-973-8366
NSN 6645-01-202-7986
NSN 5975-00-770-5634
NSN 5965-01-522-9247
NSN 5996-00-518-3675
NSN 6620-01-562-0615
NSN 6320-01-643-0850