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 6130-01-499-8950
NSN 5835-00-468-3367
NSN 6105-01-575-3394
NSN 5975-00-769-5564
NSN 6650-00-754-2276
NSN 5960-00-257-4203
NSN 5905-01-370-6327
NSN 6105-01-416-8363
NSN 5925-01-044-0576
NSN 5998-01-381-1251
NSN 6135-00-593-6831
NSN 6130-01-209-6893