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 5910-01-194-5425
NSN 5985-01-222-5433
NSN 5895-01-420-5970
NSN 6220-01-357-3672
NSN 5960-01-503-0362
NSN 5965-01-394-1542
NSN 7035-01-140-8916
NSN 5925-00-736-0425
NSN 6610-01-644-2546
NSN 5965-00-015-7408
NSN 5895-00-672-9339
NSN 5945-00-152-4093