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 5960-00-785-4274
NSN 6685-01-391-4402
NSN 5996-00-798-7589
NSN 6685-01-193-2110
NSN 5835-01-242-9806
NSN 6620-00-215-1996
NSN 6610-01-633-8931
NSN 6240-01-182-3002
NSN 6645-01-105-9107
NSN 5935-01-386-1232
NSN 5855-00-149-0766
NSN 6110-00-950-2309