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 5975-01-481-9728
NSN 6240-00-658-3207
NSN 5998-00-147-7058
NSN 6645-01-414-8806
NSN 6320-01-495-0512
NSN 5998-01-555-8808
NSN 6110-01-411-6000
NSN 6620-01-018-2183
NSN 5835-01-394-3812
NSN 5960-01-320-9779
NSN 6150-01-461-3256
NSN 5990-01-069-8649