These IR 131-3 cylinders will fit all or any: 231, 231A, 231C, 231XP, 231HA, 232TGSL and Thunderguns.
Ingersoll Rand 3/8” Air Ratchet & Snap-on SDDP63 No. 3 Phillips B-1313
INGERSOLL RAND 2920-3 CYLINDER FITS MODELS: 261 & 271 AND MAYBE OTHER BRANDS TOO
Ingersoll Rand IR 230-98 Cylinder Dowel 231C 231HA 1/2” Air Impact Wrench Parts
Ingersoll Rand AG3-A3 Cylinder ASM
Ingersoll Rand Cylinder 2920-3
INGERSOLL RAND HAMMER CAM 285B 721 GENUINE INGERSOLL RAND FITS 285A, 285B, 295