Core is homgenous resilient material
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 7035-00-020-2227
NSN 5915-00-216-8185
NSN 6645-01-069-3286
NSN 5990-01-328-9846
NSN 6110-01-472-8450
NSN 6685-01-487-8713
NSN 5960-01-115-1822
NSN 5950-01-441-7861
NSN 6105-01-095-1761
NSN 5915-00-407-6043
NSN 7035-01-377-0760
NSN 5905-01-268-1179