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 6130-01-037-7887
NSN 6240-01-117-7150
NSN 5835-01-641-0073
NSN 5975-01-310-7364
NSN 6610-01-336-2787
NSN 5915-01-392-6398
NSN 6105-01-222-2784
NSN 5965-01-321-1910
NSN 5975-00-954-9518
NSN 5945-00-248-6798
NSN 5925-01-231-1897
NSN 5855-01-570-7801