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 6620-00-248-6950
NSN 5960-00-901-0320
NSN 6240-01-227-4178
NSN 6105-01-292-5169
NSN 6110-00-525-3418
NSN 5930-01-042-7325
NSN 5996-00-428-8130
NSN 6130-01-550-4450
NSN 5855-00-532-0025
NSN 5998-01-556-2736
NSN 6240-00-280-8502
NSN 6645-01-021-5727