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 6105-01-607-4306
NSN 2925-01-511-2667
NSN 5930-01-481-3571
NSN 5905-00-624-9037
NSN 6220-01-202-4558
NSN 6610-01-447-5598
NSN 5935-01-461-9846
NSN 5835-01-053-6209
NSN 5985-00-471-3589
NSN 5960-01-605-9921
NSN 5960-01-071-0389
NSN 5855-01-236-9645