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 7035-01-182-1086
NSN 5935-01-256-8106
NSN 6135-00-062-5080
NSN 5930-01-443-6844
NSN 5975-00-351-8434
NSN 5930-01-520-4456
NSN 5895-00-379-2358
NSN 5975-01-339-2772
NSN 5996-01-099-4588
NSN 5910-00-665-0347
NSN 6135-01-645-4653
NSN 6620-00-186-8220