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 5996-01-541-8989
NSN 6145-01-576-3462
NSN 6105-01-356-7056
NSN 6645-01-406-0688
NSN 6320-01-021-6633
NSN 5925-01-167-8144
NSN 5920-00-196-0302
NSN 6610-01-603-0703
NSN 5910-01-108-9068
NSN 5915-00-452-2227
NSN 6150-01-427-3764
NSN 5965-01-470-0393