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 6685-01-554-6579
NSN 6620-01-089-4416
NSN 6150-01-467-3121
NSN 6105-00-551-3747
NSN 6650-01-656-0491
NSN 5996-00-578-9092
NSN 7035-00-312-3055
NSN 6145-01-141-6288
NSN 6240-01-398-6049
NSN 5945-00-124-0062
NSN 6240-01-129-7060
NSN 6240-01-533-6303