Specification Revision List April 12 2012 Pratt & Whitney
Specification Revision List Pratt & Whitney April 12, 2012
Specification Revision List Pratt & Whitney April 12, 2012
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PWA<br />
P&W Production & Development <strong>Specification</strong>s - (PWA)<br />
PWA Spec Codes<br />
C = Controlled<br />
E = Engineering Source Approved<br />
I = Engineering source Approved for Ingot and/or Forging Stock<br />
N = Sources <strong>List</strong>ed in <strong>Specification</strong><br />
P = Patent Notice Applies<br />
Q = Sources Qualified by MCL (PWA Source Qualification <strong>List</strong>)<br />
PWA <strong>Specification</strong>s Inactive for New Designs (In Italics) - Highlighted in Green - * to the left indicates revision<br />
* Revised Since Previous Edition of 1/17/<strong>12</strong><br />
+ Added Since Previous Edition of 1/17/<strong>12</strong><br />
<strong>Revision</strong> Date 4/20<strong>12</strong><br />
Updated Quarterly<br />
343R -<br />
344A -<br />
345D -<br />
346A -<br />
349 -<br />
350AB -<br />
351E -<br />
353 -<br />
354M -<br />
355AB -<br />
357AD -<br />
358 -<br />
359A -<br />
360T -<br />
361C -<br />
362N -<br />
363D -<br />
364F -<br />
365 -<br />
367R -<br />
368B -<br />
370T -<br />
371C -<br />
372A<br />
P<br />
373F -<br />
381V -<br />
382B -<br />
383A -<br />
384B -<br />
385AB<br />
N,Q<br />
386C -<br />
387 -<br />
388D -<br />
389C -<br />
390G -<br />
391G -<br />
392E -<br />
393E -<br />
394D -<br />
395E -<br />
396D -<br />
397H -<br />
401H<br />
Q<br />
404V<br />
N<br />
405J<br />
N<br />
406E<br />
N<br />
407AE<br />
N<br />
408C -<br />
409AA<br />
N<br />
410F<br />
E<br />
411P<br />
N<br />
4<strong>12</strong>H<br />
N<br />
413F -<br />
414M<br />
N<br />
415B -<br />
416M<br />
N<br />
417E<br />
N<br />
418H<br />
N<br />
420E<br />
N<br />
421N<br />
N<br />
* 422T N<br />
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