Definition OTP CIRC - Old drawing (1968) that calls out a dimension within .005" OTP CIRC

J

Jonell

We have an old drawing (1968) that calls out a dimension within .005" OTP CIRC, and another dimension within .004" OTP. We're thinking that this is some kind of true positioning callout, but aren't sure. Has anybody else ever seen this before?

Thanks!
Jonell
 
Jim Wynne

Jim Wynne

Leader
Admin
Re: Otp Circ

Jonell said:
We have an old drawing (1968) that calls out a dimension within .005" OTP CIRC, and another dimension within .004" OTP. We're thinking that this is some kind of true positioning callout, but aren't sure. Has anybody else ever seen this before?

Thanks!
Jonell
Click to expand...

My guess is that it probably means "within .004 Of True Position," but it's only a guess. Best to ask whomever the drawing belongs to.
 
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