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 5920-01-045-8870
NSN 5985-01-317-7970
NSN 6240-01-476-1612
NSN 5985-01-541-6167
NSN 5985-01-382-1648
NSN 6150-00-072-1497
NSN 5920-00-504-0564
NSN 6320-01-264-2433
NSN 2925-01-658-4470
NSN 5950-01-073-3729
NSN 5975-00-541-8531
NSN 6150-00-986-9889