MIL-PRF-8805/68L
Short circuit: 20 times rated resistive load (SAE-AS33201; PIN MS3320-7 ½, or equivalent used for
circuit protection).
Radiographic inspection (Applicable to PIN's M8805/68-029 through 035 only):
Switches shall be radiographically inspected in accordance with method 209 of MIL-STD-202
for solder migration, loose parts and assembly anomalies. The radiographic sensitivity shall be
sufficient to detect internal contamination or extraneous material equal to or greater than 0.001
inch in its major diameter. Two views shall be taken (side view and end view) in each actuator
position (released and full overtravel).
Run-in (Applicable to PIN's M8805/68-029 through 035 only): Each switch shall be fully activated
with following conditions:
Normally open and normally closed contacts shall be individually loaded.
Contact load: .1 ampere +0, -0.1 ampere resistive.
Open circuit load voltage: 10 to 50 mV dc.
Temperature: +25°C ±5°C ambient.
Cycles and rate: 250 cycles minimum at a rate of 20 cycles per minute maximum with nominally
equal "on" and "off" times.
Monitoring: The monitoring equipment shall record the number of failures or discontinue the test if
a failure occurs (failure of a contact to open or close its individual circuit in proper sequence).
QUALIFICATION:
Group submission: See table II.
Table I I Qualification inspection group submission.
Extent of
Inspection
Basic Switch
Additional Inspections
Approval
M8805/68-022, 024,
025, 026, 027, and 028:
(2 sample units each)
All
Qualification
M8805/68-023
part
inspection table of
Visual and mechanical
(all sample units)
numbers
MIL-PRF-8805
inspection
Terminal strength
Certification to
M8805/68-029
material
through 035
requirements
6
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