MIL-DTL-17060G(SH)
TABLE II. Minimum material requirements for service A motors - Continued.
Item
Limitation
Material
Specifications or remarks
Steel 1/
--------
Ball bearing caps
All sizes
ASTM A47/A47M
Malleable iron
Nodular graphitic iron 3/
MIL-C-24707/5
Commercial treated for
Aluminum
corrosion resistance
Steel 1/
--------
End shields
All sizes
Malleable iron
ASTM A47/A47M
Nodular graphitic iron 3/
MIL-C-24707/5
ASTM A489, Zinc coated
Eyebolts, lifting
Where used
Steel
per ASTM A153/A153M or
ASTM B633, thickness
Class Fe/Zn 12, with a Type
II finish
Steel 1/
Fans
ASTM B26/B26M
All sizes
external
Aluminum
--------
and internal
Malleable iron
ASTM A47/A47M
--------
Nodular graphitic iron 3/
MIL-C-24707/5
External fan for
Plastic, molded thermosetting
ASTM D5948
Fans external
fan-cooled motors
Steel 1/
Flanges armature rotor
Where used
--------
Steel 1/
All sizes
--------
Frames
--------
Malleable iron
ASTM A47/A47M
Nodular graphitic iron 3/
--------
MIL-C-24707/5
Steel 1/
Grease cups and pipes
All sizes
Treated for corrosion
Grease,
Relubricable
DOD-G-24508
surface ship
bearings
Cartridge and
A-A-59685
double seal
DOD-G-24508
Grease,
submarine
Hand-hole or
All sizes
Transparent plastic
MIL-E-917
access covers
--------
Insulation ground and
MIL-E-917 and sealed
Class F, H, or N
All types and classes
phase, lead and
insulation system
connection, collector ring,
spacers and separators,
washers, bushings, tubes,
wedges and lead clamp
Lead wire
Class F, H, or N
All types and classes
MIL-E-917
O-rings
All sizes
Fluorocarbon rubber
AMS 7259 and AMS 7276
Maximum oil sump
MIL-PRF-17331
Oil, lubricating
temperature
Navy symbol 2190TEP
179.6 °F (82 °C)
Steel 1/
Oil, discs
All sizes
--------
17
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