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 5935-01-640-8537
NSN 6105-01-521-4282
NSN 6220-00-340-1313
NSN 5925-00-778-9033
NSN 5985-01-386-4419
NSN 6240-01-258-6298
NSN 6650-01-633-9147
NSN 6645-00-556-5551
NSN 6145-00-398-4405
NSN 5990-00-336-2054
NSN 5920-00-549-2203
NSN 5925-01-353-1391