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 5998-00-774-4622
NSN 5998-00-100-4948
NSN 5960-01-183-8213
NSN 5925-00-250-7462
NSN 5910-00-405-6648
NSN 6150-01-169-0960
NSN 6650-01-530-7461
NSN 6135-00-856-1343
NSN 5960-00-606-7847
NSN 5999-00-623-7873
NSN 6240-01-162-2411
NSN 5835-01-252-5879