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Anonymous Poster

An Optimal Part Numbering System

04/19/2010 4:44 AM

Dear Engineers,

Hope the most of you have an engineering job and every day you involved in the Part Numbering system of Company you work for. I think you find some defects of those system you use and want to improve it.

I have the same situation. Our present part numbering system in the Company I work for has too much defects and every body want to change it but nobody knows which way to do it. The main problem that we have in present part numbering system - impossibility to find modifications of components. Every modified detail has complete different part number and it is impossible to say how many modifications we done for one detail. This system makes huge difficulties for service department. I try to get the most information I can and after that to generate the optimal part numbering system for our Company and its main product - cooling system for refrigerators.

Please share your part numbering system arrangement to find an optimal variant for my Company. I suppose it would be useful for some other people they interested in it.

Thank you in advance.

Kind Regards, Vadim

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Guru

Join Date: Oct 2008
Posts: 42355
Good Answers: 1693
#1

Re: An Optimal Part Numbering System

04/19/2010 5:15 AM

MIL-D-1000 comes to mind. Or, maybe http://www.part-numbering.com)

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Anonymous Poster
#2

Re: An Optimal Part Numbering System

04/19/2010 9:32 AM

It all depends on the number of parts you have to handle.

We have a progressive number

First few digits denote the assembly where it is to be used (5 for us)

next 5 are for the position in the assembly- it starts top down - main assembly - part - sub-part etc. May (and has) gaps for future additions between the sub-assemblies.

eg 1000 -1059 is for a part-asly, then 1100-1139 for 2nd sub asly etc.

last 2 digits are variant codes (that may be the revisions for you) starts with 00- the original.

Then you may have one or two check digit for computer.

For us it boils down to unique 14 digit code. But then depends on how many variants and components you handle.

BTW- Computer won't mind alphanumeric- you may use that in first portion- to make the main asly and sub asly more understandable.

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Guru
Technical Fields - Technical Writing - New Member Engineering Fields - Piping Design Engineering - New Member

Join Date: May 2009
Location: Richland, WA, USA
Posts: 21017
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#3
In reply to #2

Re: An Optimal Part Numbering System

04/20/2010 1:18 AM

If I saw a parts manual with 14-digit part numbers, I would never order anything from that company.

That's admittedly a knee-jerk reaction, but think about it.

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Anonymous Poster
#4
In reply to #3

Re: An Optimal Part Numbering System

04/21/2010 12:18 AM

People Do,

check GE or Siemen's part numbers (amongst others).

But I did mention the number of digits does depend on the size of the parts you are handling.

I have one open now, with 12 digit and then again you have to give the machine type.

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