【Replace part number】:
886113

【Fit for】:
RN175 Type 1 Roofing Nailer,
RN175 Type 2 Roofing Nailer,
FN250A Finish Nailer,
NSS150 Super Narrow Crown 18 Gauge Stapler

【Installation】:
1.Removed the top cover
2.Removed the broken piston bumper stop
3.Install new parts
4.Reinstall piston cap, recured the cover
5.Check if it works and done

【Package Includes】:
2 x 886113 Piston Bumper

【Practicality】:
Your porter cable nailer piston bumper stop has been broken,
the nailer can't work,just replace this part of the small parts,
no need to replace the whole nailer,
which can save you more energy and earnings.