A-A-51185
CID based part identification number [PIN). The following part identification numbering procedure is for Government purposes and does not constitute a requirement for the contractor. Where applicable, Arabic numbers shall be substituted for Roman numerals. Refer to the salient characteristics for origination of the correct letters or numbers to complete the PIN.
A 51185 X X X X XX
A = Prefix
51185 = CID
X = Style (tooth form)
X= Toothset designation
X = width Designation
X = Thickness designation
XX = Pitch designation
Cross reference of classification changes. Classification changes from the previous issue are as follows:
A-A-51134A |
A-A-51185 |
A-A-51134A – Type III – Style B (deleted) |
See A-A-51185 |
A-A-51134A– Type III – Style C (deleted) |
See A-A-51185 |
A-A-51134A– Type III – Style C (deleted) |
See A-A-51185 |
Federal Standard FED-STD-376 is available from the Standardization Documents Order Desk, Building 4D, 700 Robbins Avenue, Philadelphia, PA 19120-5099.
ASME 894.51M is available from the American Society of Manufacturing Engineers, United Engineering Center, 345 East 47th Street, New York, NY, 10018-8363.
ASTM E-18 is available from the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103-1187.
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