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 5996-01-476-7550
NSN 5996-00-533-1477
NSN 2925-01-324-3533
NSN 2925-00-495-8130
NSN 5930-00-687-2288
NSN 5895-01-380-7603
NSN 5930-00-895-3576
NSN 6645-01-421-4007
NSN 6130-00-868-3086
NSN 6135-01-238-2878
NSN 6620-01-391-3507
NSN 5999-01-315-6013