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 7035-01-548-1483
NSN 7035-01-605-3375
NSN 5945-00-738-2522
NSN 6110-01-521-3725
NSN 5895-01-414-2792
NSN 6110-01-236-3923
NSN 6685-01-327-4110
NSN 5835-00-931-5568
NSN 6130-00-925-2303
NSN 5985-00-714-5577
NSN 5975-01-472-5206
NSN 5950-01-443-6364