What is the replacement to the Bostitch ISWIVEL-14M (swivel 1/4" NPT male air fitting)? Support October 03, 2020 18:17 The replacement is the BTFP72333. Related articles My Bostitch pneumatic nailer/stapler is leaking air from the exhaust area. What are the most common causes? Comments 0 comments Please sign in to leave a comment.