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 5925-01-447-2968
NSN 5905-01-147-3855
NSN 5855-00-292-5086
NSN 5855-00-973-5717
NSN 5996-00-661-1151
NSN 5950-00-413-1271
NSN 6135-00-196-5267
NSN 6620-01-633-8443
NSN 7035-01-186-5786
NSN 5910-01-135-1173
NSN 6135-01-503-1688
NSN 5895-00-738-6215