The pictures above show this part as new and pulled fresh from a 285B-6 impact wrench.
285B-724 OEM Hammer For Ingersoll Rand 285A, 285B,285B-6,295A 1" Impact Wrench
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285B TK1 INGERSOLL RAND 285B & 285B-6 TUNE UP KIT 1" DRIVE (2) THROTTLE VALVES
285B TK1 Tune Up Kit Ingersoll Rand 285B & 285B-6 1" drive Impact Wrench
INGERSOLL RAND 285A & CP 7778 BUSHING SEAL, 2 THROTTLE VALVES +TV SPRING+PLUNGER
INGERSOLL RAND 285A TK1 T/U KIT & CHICAGO PNEUMATIC 7778 8940162816 TUNE UP KIT