4.6.3 Reliability tests. Components subjected to motion, such as fold hinges,
belt buckles, and webbing adjustors shall be subjected to cycling tests (5000 cycles
minimum) to demonstrate conformance to 3.8. The contractor shall document test
procedures and test results of the reliability testing phase in the first article
inspection test plan described in 4,4 and as specified in the CDRL, DD Form 1423 (see
4.6.4 Environmental tests. At least one seat shall be subjected to each of the
following environmental tests in the order listed. Upon completion of enviromental
tests, the seat shall be examined for operational capability and subjected to and
pass test I of figure 3. One additional energy absorber of each type used on the
seat shall be environmentally tested and subsequently stroked to verify functional
The contractor shall document test procedures and test results of the enviromental
test phase in the first article test plan and report described in 4.4 and as specified
in the CDRL, DD Form 1423 (see 6.2.2).
126.96.36.199 High temperature. High temperature tests shall be conducted in ac-
cordance with method 501, procedure I and II of M1L-STD-810.
188.8.131.52 Low temperature. Low temperature tests shall be conducted in accordance
with method 502 of MIL-STD-810. The test temperature shall be -65F.
184.108.40.206 Sunshine. Sunshine tests shall be conducted in accordance with procedure
I, method 505 of MIL-STD-810.
220.127.116.11 Humidity. Humidity tests shall be conducted in accordance with method
507, procedure I of MIL-STD-810.
18.104.22.168 Fungus. If any material utilized in the construction of the seat system
is suspected to be a nutrient to fungi, the material shall be tested in accordance
with method 508 of MIL-STD-810.
Salt fog tests shall be conducted in accordance with method
22.214.171.124 Salt fog.
509 of MIL-STD-810.
The seat system shall be subjected to the dust test specified in
126.96.36.199 Vibration. Vibration tests shall be conducted in accordance with method
514, procedure I (parts 1, 2 and 3) of MIL-STD-810.
188.8.131.52 Mud. All exposed surfaces shall be coated with mud and the seat must
operate before and after it has dried.
4.6.5 Restraint system tests. The restraint system shall be subjected to the
following tests to ShOW compliance with table II prior to being installed in a
seat system for testing. At the conclusion of each test, the buckle shall be
activated to ensure that permanent deformation did not occur preventing release
of harness. The contractor shall document test procedures and test results of the
restraint system testing phase in accordance with the requirements of 4.1.1 and
4.1.2 and the CDRL, DD Form 1423 (see 6.2.2).