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 5905-01-093-9493
NSN 6645-00-569-1759
NSN 4140-01-311-3415
NSN 5930-01-414-2143
NSN 6105-01-334-1442
NSN 6220-01-469-6213
NSN 5910-01-421-9817
NSN 5910-01-412-4095
NSN 6645-00-634-9317
NSN 7035-01-501-9118
NSN 5915-01-090-0478
NSN 5925-01-608-3822