MIL-DTL-81716A
SUGGESTED METHOD OF MAKING CRUSH TEST. HYDRAULIC RIG SHOWN MAY BE MECHANICAL PROVIDED
AXIAL CRUSHING LOAD CAN BE ACCURATELY DETERMINED AND MAINTAINED. HYDRAULIC PRESSURE TO
COMPRESS PACKING = P = F x N
A
WHERE
P
=
PRESSURE, PSI
AND
N
=
NO. SAE AS33931 MS3393-16 PACKINGS IN EACH LAYER
A
=
PISTON HEAD AREA IN SQUARE INCHES
F
=
5600 LBS. FOR SAE AS33931 MS3393-16 PACKINGS
Figure 3. Crush test setup.
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