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 5945-01-644-5665
NSN 6650-01-370-5265
NSN 5960-00-204-7506
NSN 6320-01-436-9228
NSN 5925-01-651-9635
NSN 5975-01-207-0508
NSN 6610-00-999-1528
NSN 4140-00-190-0162
NSN 5985-01-135-6096
NSN 5965-01-026-9865
NSN 6220-01-123-9290
NSN 5945-01-431-2349