Not sure about the Z idea, given the dates on the documents and what was on order and being built in August 1945. Z as some internal Republic working designator for an improved or future P-47?
Actual production
July 1945, Farmingdale 153 N, Evansville 77 D, 75 N
August 1945, Farmingdale 100 N, Evansville 57 N
September 1945, Farmingdale 50 N, Evansville 17 N
October 1945, Farmingdale 25 N
November 1945, Farmingdale 1 N
December 1945, Farmingdale 5 N
Farmingdale, P-47N-1 block from September 1944 to March 1945, N-5 January to May, N-15 April to June, N-20 June to August, N-25 May to end of production, by the way the last serial 44-89450 was accepted in September. Evansville N-20 only block built, with 44-50124 and 50125 completed but not accepted and the last serial 44-50123 was accepted in August.
RC-301, J = Fiscal year 1944/45, K = 1945/46.
End October 1944
Farmingdale, J program AC-1704, 100 P-72 on order to be completed in September 1945. Order not in November 1944 or later reports.
end July 1945,
Evansville, K program AC-24579 S.54, 2,200 P-47N on order, 75 accepted, to be completed in December 1946
Farmingdale, J program AC-29279 S.31, 1,800 P-47N on order, 1,486 accepted, to be completed in October 1945
Farmingdale, J program AC-29279 S.17 (same as D and M contract), 520 P-47N on order, to be completed in January 1946
Farmingdale, K program AC-29279 S.43, 1,688 P-47N on order, to be completed in December 1946
Farmingdale, K program AC-6248 S.1, 25 YP-84 to be completed in June 1946
Farmingdale, K program AC-6248 S.1, 75 P-84 to be completed in November 1946
Farmingdale, experimental program, AC-6248, 3 XP-84 to be completed in September 1945.
Farmingdale, experimental program, AC-2135, 1 YF-12 due by August 1945, 1 YF-12A due by January 1946.
(no August report to hand) end September 1945,
Evansville, K program AC-24579 S.54, 149 P-47N on order, completed
Farmingdale, J program AC-29279 S.31, 1,667 P-47N on order, 1,636 accepted to be completed in November 1945
Farmingdale, K program AC-6248 S.1, 25 YP-84 to be completed in August 1946
Farmingdale, K program AC-6248 S.1, 75 P-84 to be completed in November 1946
Farmingdale, experimental program, AC-6248, 3 XP-84 to be completed by December 1945.
Farmingdale, experimental program, AC-2135, 1 YF-12 due by August 1945, 1 YF-12A due by March 1946.
YP-84 order cut to 15, P-84 order increased to 85 by end May 1946, order became 15 YP-84A and 85 P-84B by end December 1946.
First flight XP-84 28 February 1946, all 3 accepted December 1946
First flight XF-12/XR-12 7 February 1946, acceptances in July and November 1948.
15 YP-84 accepted January to June 1947
226 P-84B accepted June 1947 to May 1948