With a quantity of four pieces, the Nut Plate is the most used part in the F-38 FIRING POCKET-AIR DUCT(GL1100I,D) diagram.
A sample from the products for the F-38 Firing Pocket-air Duct(gl1100i,d) include: Tube,l.air Duct, Cover,r.pocket, Plate,rad.holder, Rub,r,pocket Seal.