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 6645-01-206-4888
NSN 6645-00-664-4665
NSN 5835-01-138-4747
NSN 6220-01-096-6478
NSN 4140-01-461-9775
NSN 5855-00-433-2377
NSN 5990-01-128-3758
NSN 2925-01-216-4757
NSN 6685-01-050-8391
NSN 5930-01-170-2316
NSN 6150-00-788-6064
NSN 2925-01-642-3255