2 top and 2 bottom rings
Any combination of items manufactured from packing material to predetermined dimensions, or any combination of nonmetallic molded or formed shapes (other than solid rubber or synthetic rubber rings having a square or rectangular cross section) specifically designed and manufactured for use as a seal. The assembly may include metal lantern rings, metal separators, and/or end or adapter rings.
NSN 6130-01-421-1539
NSN 5895-00-913-6448
NSN 6145-01-341-8583
NSN 2925-01-633-4048
NSN 6105-01-011-0431
NSN 6110-00-405-4903
NSN 6150-01-565-5312
NSN 5905-00-845-4721
NSN 5920-00-267-3109
NSN 5895-01-517-2318
NSN 5910-00-604-0334
NSN 6610-01-422-1322