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 5950-00-735-4978
NSN 6220-01-254-0091
NSN 5965-01-590-7085
NSN 6145-00-971-2431
NSN 4140-00-822-4447
NSN 6650-01-071-4514
NSN 6650-00-065-9382
NSN 6650-00-102-2606
NSN 6240-00-274-4028
NSN 6110-01-129-0341
NSN 5975-01-500-0268
NSN 6105-00-737-0829