Od is 4.500 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 5925-01-362-6654
NSN 5835-00-341-5441
NSN 5835-01-062-2235
NSN 5905-00-164-5267
NSN 6145-01-438-0368
NSN 5985-01-485-0456
NSN 5960-00-220-9717
NSN 5920-01-134-1673
NSN 6240-01-608-3269
NSN 5996-01-438-0253
NSN 5905-01-576-2338
NSN 5985-01-174-2622