INCH-POUND
MIL-PRF-8932/4A
27 August 1998
SUPERSEDING
MIL-S-8932/4
12 August 1980
PERFORMANCE SPECIFICATION SHEET
SWITCHES, PRESSURE, BULKHEAD MOUNTED, AIRCRAFT, APPROXIMATE
GAUGE, CLASS 4
This specification is approved for use by all Departments and Agencies of the Department of
Defense.
The requirements for acquiring the product described herein shall consist of this specification
sheet and MIL-PRF-8932.
REQUIREMENTS:
1. Dimensions, operating pressure ranges, and tolerances. The dimensions, operating pressure
ranges, and tolerances shall be as specified in table I.
2. Pressure switch port designations. Each approximate gauge pressure switch shall have one
pressure port as shown on figure 1 of MIL-PRF-8932. The designation letter "P" (see figures 1
and 2) shall be stamped next to the connection port. The switch, which requires a case pressure
release (CPR) valve shall be marked with the letters "CPR" permanently and legibly stamped on
the switch case directly adjacent to the switch's case pressure valve.
3. Superseding part numbers. The canceled part numbers and the corresponding superseding part
numbers are as shown in table II.
4. Intended use. The pressure switches covered by this specification are used in the production
and maintenance of F-18 military aircraft. These aircraft are exposed for prolonged periods to
extreme seagoing environments not encountered by commercial aircraft.
5. Changes from previous issue. Marginal notations are not used in this revision to identify
changes with respect to previous issue due to the extent of the changes.
1 of 6
AMSC N/A
FSC 1650
DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.
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