MS51957-15 4-40,PHIL,PAN HD,SS

Packaged Items
SinglePack of 50
ThreadLengthDescriptionPart Number
4-40.375MS51957-15 4-40,PHIL,PAN HD,SS04-00506


  • Phillips pan head
  • 300 Series stainless steel
  • Finish - Passivate per QQ-P-35
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WARNING: Cancer and Reproductive Harm -

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Well, it went into the hole , I turned it clockwise and viola! The two parts held together! It must be aviation wizardry! Parts were consistent in manufacture and high quality.

June 8, 2020

This was exactly what I needed and am appreciative of the availability from Spruce.

Robert W
April 30, 2020

Received exactly what I ordered.

Charles G
August 21, 2019

Arrived as expected, MS51957-48 quality was as expected, performed as expected in the application. Thank you for asking

Michael B
July 24, 2019

prompt delivery

Jimmy P
June 3, 2019

These screws are a perfect fit for my project. Being able to by as few or as many as I wanted is a serious bonus!

Terri P
January 25, 2019

I always have excellent experiences working with Aircraft Spruce! Thank You for that.

Rex P
August 14, 2018

Quick and convenient

Joseph P
July 28, 2018

Jerry B
August 20, 2017


Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: do you have MS51957 phillips stainless steel screw thread 6-32 lenght .500 ?

Yes, our part number is 04-00520

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