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 5925-01-024-9568
NSN 5998-01-408-3093
NSN 5910-00-175-8489
NSN 5905-01-247-4640
NSN 6620-00-761-6334
NSN 5998-01-553-2381
NSN 6610-01-627-0642
NSN 5965-01-189-4805
NSN 5990-01-179-1000
NSN 6320-01-370-4218
NSN 5990-01-442-3520
NSN 5835-00-021-5913