 |
|||
|
|
|||
| ||||||||||
|
|  MIL-S-85419 (AS)
All metal joints and other contact areas shall be designed
or protected to prevent fretting corrosion damage of affected
areas.
The following factors will be used in the evaluation of
the resistance of the equipment to corrosion. Any corrosion that
causes the following shall be deemed sufficient cause for
rejection.
Malfunctioning of the equipment
a.
b.
Shortening of life
Impairment of use
c.
Impairment of ease of replacement of parts
d.
3.5.1.4 Finish.
3.5. 1.4.1 Aluminum Alloy Parts. Unless otherwise specified by
the verifying activity, aluminum alloy parts shall be anodically
In the absence of
treated in accordance with MIL-A-8625.
abrasive conditions and with the approval of the verifying
activity, they may be coated with chemical film in accordance
with MIL-C-5541. The film deposited by this treatment shall be
removed from contact areas required to-act as a path for
electrical current.
3.5.2 Parts.
3.5.2.1 Standard Parts. Military standard parts shall be used
whenever they are suitable for the purpose, and shall be
identified by their military part number. All parts of the same
part number shall be interchangeable as applied within the system.
Commercial utilitary parts such as screws, bolts, nuts, and
cotter pins may be used provided they possess suitable properties
and are replaceable by the standard parts (MS and AN) without
alteration and provided the corresponding standard part numbers
are referenced in the parts list and on the contractor's
drawings. In the event there is no suitable corresponding
standard part in effect on date of invitation for bids,
commercial parts may be used provided they conform to all
requirements of this specification.
3.5.2.2 Threaded Parts.
3.5.2.2.1 Straight Screw Threads. Screw threads shall conform
to the requirements of MIL-S-8879 except for electrical
connections, fluid fittings and ground and cut threads
11
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals