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 5945-01-398-1669
NSN 5835-01-492-4318
NSN 5835-01-506-0746
NSN 6130-01-152-9858
NSN 6150-01-659-1800
NSN 6620-01-588-9278
NSN 6105-01-608-7969
NSN 5996-01-365-9330
NSN 5965-01-364-7275
NSN 4140-00-420-0251
NSN 6650-01-604-9315
NSN 5996-01-343-0651