MIL-DTL-23450D
TABLE II. Visual examinations.
Visual examination
Classification of Defect
Finish
Finish not manufacturer's standard type
Fractured, split, punctured, dented, or malformed
sharp burrs, slivers, or splinters.
Design, construction, and workmanship, general
Part missing.
(applicable to all components and assemblies)
Not connected or joined as specified.
Marking missing for showing direction of refrigerant
flow.
Soldering not clean (flux or flux residue not
Soldering (where applicable)
removed); pin holes in solder, solder not complete,
solder not adherent.
Welding and brazing having slag, inclusions, or
Welding and brazing (where applicable)
undercutting; not complete, not properly fused, not
uniform; with scale or flux deposits not removed.
Marking for identification
Missing, incomplete, or not legible.
4.4.3 Test fixture.
a. The test apparatus shall be as shown on figure 1.
b. The total volume of the outlet side of the fixture (including gauges and hand valves) shall be 20 ±1
cubic inches (327.74 ±16.39 cubic cm).
c. The air supply to the valve shall be clean and dry and regulated to the pressure indicated.
d. A bleed orifice of proper diameter to match the MS PIN of the valve being tested shall be selected
as shown below for each test to be performed.
MS17982 dash number
-1, -2 -3, -5, -14
-4, -16
-5, -17
-6, -8
Bleed orifice diameter
.025 (0.64)
.047 (1.19)
.060 (1.52)
.047 (1.19)
(mm)
MS17982 dash number
-7, -8, -9, -19, -20, -21
-10, -22
-11, -12, -23, -24
Bleed orifice diameter
.060 (1.52)
.060 (1.52)
.089 (2.26)
(mm)
e. The bleed orifice shall be 1/16 (.0625) inch (1.59 mm) thick and sharp edged, and may be
fabricated from an SAE flare cap as shown on figure 1.
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