INCH-POUND
MIL-PRF-83178C
18 May 2009
SUPERSEDING
MIL-PRF-83178B
24 September 1999
PERFORMANCE SPECIFICATION
REGULATOR, OXYGEN, DILUTER-DEMAND, AUTOMATIC-PRESSURE-BREATHING,
CRU-73A, GENERAL SPECIFICATION FOR
This specification is approved for use by all Departments and Agencies of the
Department of Defense.
1. SCOPE
1.1 Scope. This specification covers the general requirements for a panel mounted
automatic-pressure-breathing, diluter-demand, oxygen regulator, designated CRU-73A.
1.2 Classification.
1.2.1 Panel lighting. There are three panel lighting configurations of the regulator, see
the list on figure 1.
1.3 Part or Identifying Number (PIN). The PIN to be used for the regulators acquired to
this specification, are created as follows. M83178 dash numbers supersede MS27599 dash
numbers.
83178
-X
M
Dash number (see figure 1)
Specification number
Prefix for military specification
Comments, suggestions, or questions on this document should be addressed to Oklahoma City Air
Logistics Center/ENSDAA, 3001 Staff Drive, Tinker AFB, OK 73145-3036 or emailed to
af71@tinker.af.mil. Since contact information can change, you may want to verify the currency
of this address information using the ASSIST Online database at https://assist.daps.dla.mil.
AMSC N/A
FSC 1660
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