MIL-DTL-28827C
4.5.4.2.1 Additional qualification. Qualification will be extended to switches of the same design and
construction as qualified switches, provided the following criteria are met under the following conditions
a.
The shock rating is the same or less.
b.
The altitude rating is the same or less.
c.
The vibration rating is the same or less.
d.
The endurance rating is the same or less.
e.
The acceleration rating is the same or less.
f.
The high temperature is not above that of the qualified switch with the highest setting.
g.
The lowest temperature setting is not lower than that of the qualified switch with the lowest
setting.
h. Switches are the same contact action or reverse contact action as the qualified type.
TABLE II Qualification inspection
Requirement
Method
Examination or test
paragraph
paragraph
Group I (12 sample units)
Visual and mechanical examination
3.25 and 3.26
Solderability 1/ (when applicable)
Calibration
Proof temperature
Time constant
Proof pressure (when specified)
Seal
Dielectric withstanding voltage
Insulation resistance
Contact resistance
Group II (2 sample units from group I shall be included and
identified
in this group)
Salt spray (corrosion)
Group III (4 sample units from group I)
High temperature exposure
Low temperature exposure
Connector torque (when applicable)
Terminal strength (when applicable)
Short circuit (when applicable)
Group IV (6 sample units from group I)
Vibration
Shock
Overload cycling
Endurance 2/
See footnotes at end of table.
8
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business