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 6610-01-112-0447
NSN 5930-00-003-3466
NSN 5915-00-226-6863
NSN 6135-01-128-5358
NSN 6220-01-568-6653
NSN 5895-01-271-8470
NSN 6135-00-951-3426
NSN 6135-00-932-3136
NSN 5960-00-118-8098
NSN 5950-00-738-2557
NSN 2925-00-115-5857
NSN 5950-01-265-0880