MIL-DTL-24552B(SH)
spray test shall exhibit a voltage drop not greater than 40 millivolt (mV)
when 100 amperes are passed through each connector when tested as specified in
4.7.7. Following the salt spray test, voltage drop shall be not greater than
50 mV.
3.6.8 Humidity. Mated plugs and terminals shall pass the tests as
specified in 4.7.1 and 4.7.2 following a 4-hour drying period when tested as
specified in 4.7.8.
3.6.9 Fluid immersion. The plugs shall be properly mated with the
terminal (see 3.5.4) after having been immersed in fuel oil or turbine fuel as
specified in 4.7.9.
3.6.10 Electrical load. A mated plug and terminal or plug and switch
shall operate for 4 hours without evidence of electrical or mechanical damage
when subjected to the load specified in 4.7.10. Following this test, the items
shall pass the test specified in 4.7.1 and 4.7.2, respectively.
3.6.11 Endurance (durability). The plugs and receptacles shall be
serviceable and perform their function by passing the test specified in 4.7.7
after completion of the test specified in 4.7.11.
3.6.12 High-impact (HI) shock. Terminals
with plugs mated shall be in
accordance with HI shock requirement, type
A, grade A, class I,
lightweight of MIL-S-901 (see 4.7.12). The items
being tested shall be
considered as failing the test if one or more of
the following occurs:
a.
There is evidence of contact of live parts with each other.
b.
Structural parts are damaged or loosened.
c.
Functional parts are damaged or loosened.
d.
The housing is cracked or warped.
e.
The circuit breaker trips (switches only).
f.
Failure to pass the test specified in 4.7.1 or the test specified in
4.7.2 upon completion of the high-impact shock test.
3.6.13 Mechanical abuse (impact). There shall be no evidence of
mechanical damage or electrical failure that would prevent the plug from
performing its intended function when plugs are tested as specified in 4.7.13.
3.6.14 Vibration. Terminals, switches, and plugs shall conform to the
type I vibration requirements of MIL-STD-167-1 when tested as specified in
4.7.14. The items being tested shall be considered as failing the test if they
fail to perform their principal functions during or after testing or if one or
more of the deficiencies specified in 3.6.12 (a) through 3.6.12(e) occurs.
Following the vibration tests, the items shall pass the tests specified in
4.7.1 and 4.7.2.
3.6.15 Salt spray. There shall be no evidence of excessive corrosion
when terminals, switches, or plugs are tested as specified in 4.7.15.
Excessive corrosion is defined as that which interferes with electrical or
mechanical performance, or in the case of plated metals, corrosion which has
migrated through the plating and attacked the base metal. After the test, the
plugs and terminal shall pass the test specified in 4.7.7.
3.6.16 Watertightness. Back-connected terminals with seals shall
withstand a water gauge pressure test as specified in 4.7.16. Upper and lower
riser terminals and switch enclosures shall meet the watertight requirements
as specified in 4.7.17.
3.7
Finish.
3.7.1 Molded parts. Molded parts shall have surfaces which are not
warped, cracked, chipped, or blistered either initially or as a result of
tests specified herein.
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