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 6110-01-567-7214
NSN 6650-01-265-2672
NSN 5935-00-904-3131
NSN 6135-01-384-3915
NSN 5905-01-467-5465
NSN 4140-01-389-3911
NSN 6150-01-327-2923
NSN 6650-00-513-9713
NSN 4140-01-370-5609
NSN 6105-01-245-8932
NSN 6610-00-365-4454
NSN 4140-01-574-7624