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 6135-01-190-2628
NSN 5920-00-263-2192
NSN 6145-00-419-7813
NSN 5905-01-178-9018
NSN 6240-01-560-8342
NSN 5920-01-083-2238
NSN 5990-01-421-5342
NSN 5935-00-023-6203
NSN 6110-00-548-3970
NSN 6145-01-246-3988
NSN 6645-01-442-6476
NSN 5998-01-508-5020