MIL-PRF-62365C(AT)
3.2 Materials. Materials used shall be in accordance with applicable Government
specifications or the manufacturer's materials specifications for hydraulic motors. The materials
shall be capable of meeting all the operational and environmental requirements specified herein.
Recovered materials shall be used to the maximum extent practicable (see 4.4.2).
3.2.1 Metals. All metals used in the construction of the hydraulic motor shall have
corrosion resistance at least equivalent to anodized aluminum. There shall be no contact between
dissimilar metals (see 4.4.2).
3.2.2 Age sensitive materials. The use of age sensitive materials shall be controlled in
accordance with SAE AS1933 (see 4.4.2).
3.2.3 Plating. Steel parts in contact with aluminum alloy parts shall be either zinc plated
in accordance with ASTM B633, or chromium plate equivalent in accordance with ASTM B650
class I. Zinc plating and tin plating shall not be permitted on parts which come in contact with
hydraulic fluid (see 4.4.2).
3.2.4 Anodizing. All aluminum-alloy parts shall be anodized in accordance with
commercial practice and shall meet all the performance and environmental requirements of this
specification (see 4.4.2).
3.3 Design and construction.
3.3.1 Fluid. The hydraulic motor shall be designed to meet all requirements of this
specification when supplied with the hydraulic fluids conforming to MIL-PRF-6083 (see 4.2.4
and 4.4.2).
3.3.2 Cleanliness. The fluid drawn from the motor test circuit at the completion of
testing shall have a contamination level of not greater than that of table I (see 4.4.2 and 4.5.1).
TABLE I. Maximum contamination limit (100 mL sample).
Particle size range (micrometers) Number of particles
64 000
5 to 15
11 400
15 to 25
2025
25 to 50
360
50 to 100
64
Over 100
3.3.3 Lubrication. The hydraulic motor shall be self-lubricating with no provision other
than the circulating oil (see 4.4.2).
4
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business