Hitachi NR90GC - 3-1/2" Gas Powered Clipped Head Framing Nailer Technical Data And Service Manual page 68

Wiring Cover [103]
Pin D2.5 [115]
Switch Lever (B) [114]
Tension Plate [113]
Flat Hd. Tapping
Screw D4 [104]
Chamber Lock Bar [100]
Magazine Plate [94]
Spring D2.95 [117]
Hook ass'y
Nylon Nut M5 [92]
Hang the Magazine
Plate [94] on the claw.
Fig. 57
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Tapping Screw
(W/Flante) D4 x 14 [95]
Sleeve [77]