Part Number 3957523

Engine Accessory Generator

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Part Number
DEMIL
Shelf Life
UOM
NIIN
Part:
3957523
Demil:
No
Shelf Life:
UOM:
NIIN:
010754697

Part Information
Furnished w/two mtg spacers to change lower mtg hole to 0.382 in.Min/0.388 in.Max diameter by 1.990 in.Min/2.000 in.Max lg

NSN
National Stock Number:
2920-01-075-4697 2920010754697
TXT
Description:
Engine Accessory Generator
INC
INC
Item Name Code:
17311
MRC:
The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.AAJF
Thread Direction:
Right-hand
MRC:
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.AASA
Thread Length:
Between 0.560 inches and 0.620 inches
MRC:
The length of a straight line which passes through the center of that portion used to guide the item and terminates at the circumference.AAVL
Pilot Diameter:
Any acceptable
MRC:
Items furnished as accessories which are not specified elsewhere.ABFF
Furnished Items:
Cooling fan
MRC:
None.ABPT
Second Step Diameter:
0.669 inches
MRC:
A measurement taken at right angles to the length of a keyway,in distinction from thickness.ABRR
Keyway Width:
0.156 inches
MRC:
None.ABVA
Unthreaded Portion Length:
Between 0.830 inches and 0.860 inches
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the mounting.ADER
Mounting Style:
Flange mtd w/three mtg holes
MRC:
A measurement of the center to center distance between the mounting holes along the width.ADFX
Center To Center Distance Between Mounting Holes Along Width:
4.807 inches
MRC:
None.ADPY
Pilot Height:
Any acceptable
MRC:
A measurement of the longest dimension of a keyway,in distinction from width.AFYS
Keyway Length:
0.750 inches
MRC:
An indication of whether or not an item is capable of operation while submerged.AHZV
Submersibility:
Nonsubmersible
MRC:
The direction of rotation of a rotating shaft as viewed from the drive end.AKCT
Shaft Rotation Direction:
Clockwise or counterclockwise
MRC:
The distance from the end of the item to the center of the keyway.ANTX
Distance From End To Keyway Center:
Between 1.060 inches and 1.180 inches
MRC:
The length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.AWDP
Thread Diameter:
0.500 inches
MRC:
Indicates the type of ground polarity utilized.AXHX
Ground Polarity Type:
Negative or positive
MRC:
The minimum speed the armature can revolve and maintain full current output,expressed in revolutions per minute.BCGD
Armature Minimum Speed In Rpm At Full Current Output:
4500
MRC:
The maximum amount of output current for which the item is rated,expressed in amperes.BCGF
Maximum Output Current Rating In Amps:
105.0
MRC:
Indicates the location of the rectifier for the item.BCGM
Rectifier Location:
Integral
MRC:
The means by which the item is grounded.BCGN
Grounding Method:
External
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the shaft drive end.BCGS
Shaft Drive End Style:
Straight shaft end, threaded, w/keyway
MRC:
None.BCLY
Distance Between Shaft Center And Bottom Mounting Hole Center:
Between 4.160 inches and 4.220 inches
MRC:
None.BCMG
Top Mounting Hole Diameter:
Between 0.390 inches and 0.420 inches
MRC:
None.BCMH
Bottom Mounting Hole Diameter:
Between 0.624 inches and 0.630 inches
MRC:
None.BCMJ
Center To Center Distance Between Top Mounting Slot And Bottom Mounting Hole:
Between 8.320 inches and 8.440 inches
MRC:
The speed the armature can revolve and produce maximum current,expressed in revolutions per minute.BCND
Maximum Rated Armature Speed In Rpm:
12000
MRC:
A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.BZRR
Thread Series:
Unf
MRC:
A numeric-alpha designator indicating the pitch-diameter tolerance and the external or internal location of the thread.CFHL
Thread Class:
2a
MRC:
The number of threads on the item per linear inch measured on a line parallel to the thread axis.CMLP
Thready Qty Per Inch (tpi):
20
MRC:
The total electrical voltage.ELEC
Voltage In Volts:
14.0

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