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 5910-00-526-0694
NSN 6150-01-044-6909
NSN 5835-00-978-9806
NSN 6240-01-285-7857
NSN 6645-01-456-9516
NSN 6240-01-528-6792
NSN 5950-01-378-8387
NSN 5950-01-074-2174
NSN 5895-00-862-5564
NSN 5975-01-542-9444
NSN 5920-01-076-4705
NSN 5925-00-461-1512