Item is called crossmember with several pieces and hard ware in the assembly
No other part numbers with same form, fit, and function found.
A bracket of various shapes (other than angle), designed to be attached to a supporting surface for the specific purpose of positioning, aligning and/or supporting another item. Excludes brace (as modified); bracket, angle; and bracket, double angle. See also bracket (1), electrical connector; bracket, fire extinguisher; bracket, solenoid; bracket, track, sliding door; and retainer (as modified).
NSN 5835-00-257-2852
NSN 6135-00-809-2148
NSN 6105-01-360-5629
NSN 6320-00-213-0477
NSN 7035-01-246-3086
NSN 5998-00-568-3973
NSN 6130-01-266-4812
NSN 5965-01-626-2130
NSN 2925-00-341-3336
NSN 5960-01-170-4057
NSN 6110-00-075-5660
NSN 6320-01-195-5583