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 2925-01-446-6976
NSN 5975-01-185-3694
NSN 7035-01-432-9034
NSN 5835-01-202-9673
NSN 5996-00-872-8053
NSN 5915-01-439-8407
NSN 5950-01-195-4490
NSN 6240-01-487-8757
NSN 5925-00-118-8059
NSN 6240-00-491-7191
NSN 5920-01-545-6753
NSN 5985-00-275-0880