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 5996-01-452-0402
NSN 5996-01-210-5537
NSN 5905-01-060-7667
NSN 6610-01-096-8746
NSN 6150-00-840-9424
NSN 6240-00-079-0112
NSN 5975-01-141-5220
NSN 6135-00-294-0950
NSN 6320-01-021-6633
NSN 6620-00-957-9325
NSN 5915-01-299-0414
NSN 6110-01-538-1848