Per b-1 engineering; function
A preformed item of various shapes, and contours, which may have a sandwich or honeycomb core bonded to a metallic or nonmetallic facing material. it is used to enclose integral portions of the fuselage or to form partitions or sections within a wing, empennage, fuselage, nacelle or crew compartment. it may have mounting provisions such as predrilled holes to facilitate installation, but will have no items attached to it except bracket (s) or other securing devices to accommodate its own mounting or support. it may be mounted by means of fasteners, bonding or welding. excludes panel, interior lining, aircraft; cover access; cover, access, aircraft; floor (1), aircraft; core material, cellular, structural.
Classification: Other parts, nesoi, for use in other military aircraft, spacecraft and spacecraft launch vehicles (excluding parts of communication satellites)
NSN 6645-01-033-5051
NSN 6610-01-657-5532
NSN 6145-01-104-6029
NSN 5975-00-440-2320
NSN 4140-01-034-9806
NSN 6650-00-629-8027
NSN 5935-00-130-6552
NSN 5998-01-381-7865
NSN 6130-01-181-5475
NSN 6145-00-925-2004
NSN 6240-00-008-4550
NSN 5925-00-467-6213