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 6105-01-145-5046
NSN 6620-01-505-3496
NSN 6150-00-065-5262
NSN 6620-00-105-3312
NSN 6645-00-287-9192
NSN 5910-01-173-2471
NSN 5905-01-088-5934
NSN 4140-01-322-6397
NSN 6130-01-533-8619
NSN 5999-00-130-5322
NSN 5925-00-220-6841
NSN 5990-00-843-0244