.125-40 UNC-2B Thread requiring Inspection to Thread Gage "Method A"

MalibuJim

Starting to get Involved
#1
All,

I have a thread requiring inspection to, "Gage Method A".
The thread is .125-40 UNC-2B

What is "Method A"?

I've searched this forum and skimmed Fed-Std-H28 Sections 1 & 6 but cannot find anything about a "Method A".

Any assistance appreciated.

84° and Sunny in Upstate NY

Thanx,

Jim
 
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Marc

Hunkered Down for the Duration with a Mask on...
Staff member
Admin
#3
Another 'Bump' in case someone here can help. My Thanks in advance!
 
S

stefanhg

#4
Hi all,

According to ANSI B1.3M:
Method A1 - Maximum material (GO), checking Functional Limit with GO Plug Gage or Indicating Thread Gages (GO Segments or Rolls)
Method A2 - Maximum material (GO), checking Functional Size with Indicating Thread Gages (GO Segments or Rolls)
 
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