13 May 1953
14 May 1940
SIGHT, M4 (WITH CARRYING CASE)
This specification consists of this cover sheet, Specification
51-75-50, datcd I4 May 1940 and Amendment 1, dated 24 MaY 1945,
attached hereto, without modification.
When a request for this spccification is received by a supplying
activity it will be necessary to attach this cover sheet to the
pertinent specification before issue.
Copies of specifications required by contractors in connection
with specific procurement functions should be obtained from the
procuring agency or as directed by the contracting officer.
Army - Ordnance Corps