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 4140-01-411-6666
NSN 6150-00-500-6191
NSN 5965-01-295-9842
NSN 5950-00-257-3806
NSN 5855-01-391-7472
NSN 5975-00-698-0893
NSN 5975-01-139-0121
NSN 6150-01-068-7511
NSN 5930-01-348-0246
NSN 5945-01-570-0739
NSN 6145-00-046-4568
NSN 4140-01-445-5945