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 5999-01-387-7006
NSN 5855-01-098-9038
NSN 5990-00-269-2226
NSN 6650-01-078-5587
NSN 7035-01-284-5043
NSN 6240-01-239-1488
NSN 7035-01-459-8268
NSN 5935-01-242-5647
NSN 4140-01-400-3610
NSN 5930-01-293-1321
NSN 5920-01-020-7659
NSN 5835-01-056-9303