MIL-DTL-62099D(AT)
3.4.4 Exterior surface treatment. Unless otherwise specified in the applicable drawings,
all exposed exterior surfaces of the transmission and its components shall be painted in
accordance with the manufacturer's standard practice (see 4.1.1). All external component
materials shall have corrosion resistance equal to or exceeding that provided by hot-dip
galvanized 1020 steel, with coating thickness in accordance with ASTM A123 (or minimum
coating thickness of 0.75 mil on pre-galvanized sheet 0.063 in. or less), with zinc phosphate
pre-treatment. A proposed alternate design shall be compared to a galvanized sample
(as described above) using the Accelerated Corrosion Test GM 9540P Method B 120 cycles, or
until prior failure of one of the items with defects such as extensive corrosion at scribe or
significant penetration of base material.
3.4.5 Identification marking. All parts requiring identification shall be marked in
accordance with MIL-STD-130, or equivalent (see 4.1.1).
4. VERIFICATION
4.1 Inspection Requirements. Inspection requirement consist of a conformance inspection
which shall include the examination of 4.1.1 and the tests of 4.1.2.
4.1.1 Examinations. To determine conformance to 3.2, 3.3, 3.4.2, 3.4.4 and 3.4.5 all
transmissions (100%) shall be examined for the defects listed.
TABLE V. C1assification defects.
Method of
Category
Defects
examination
Major:
Visual/SIE 1/
101
Dimensions not as specified, affecting interchangeability of
major components (see 3.2).
Control levers and valves malfunction (see 3.3).
102
Functional/Visual
Installation of hydraulic lines and fittings improper (see 3.2).
103
Functional/Visual
Dirt or foreign matter plugging oil filter lines or screens
104
Functional/Visual
(see 3.4).
Marking improper or not legible (see 3.4.5).
105
Visual
Scratched, chipped, pitted, or burned (see 3.4.4).
106
Visual
Paint not as specified (see 3.4.4).
107
Visual
Leak or drip (weep or seep permissible) (see 3.4.2).
108
Visual
1/ SIE = Standard Inspection Equipment.
4.1.2 Tests. All transmissions (100%) shall be subjected to all of the tests in table VI
except for the reliability test which shall be applied only to those transmissions installed in vehicles
selected for testing in accordance with the provisions of the specification covering the vehicle.
6
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business