Model: 121D557

Direct Current Motor

Properties:

Overall Height
16.062 inches
Overall Length
25.875 inches
Overall Width
18.812 inches
Keyway Width
0.2500 inches single end
Keyway Depth
0.1250 inches single end
Shaft Diameter
1.2500 inches single end
Keyway Length
2.7500 inches single end
Shaft Rotation Direction
Clockwise single end or counterclockwise single end
Duty Cycle
Continuous
Inclosure Feature
Dripproof protected-15 deg
Winding Type
Shunt wound w/commutating poles
Mounting Method
Fixed base
Mounting Facility Type And Quantity
4 unthreaded hole
Cooling Method
Natural convection ventilated
Current Rating Method
Load
Inclosure Specificationification
Mil-std-108
Features Provided
Vertical mounting position
Frame Size Designation
284
Power Rating
7.5000 horsepower output
Length Of Shaft From Housing
4.062 inches single end
Shaft Center To Mounting Surface Distance
7.000 inches single end
Center To Center Distance Between Mounting Facilities Parallel To Length
9.500 inches
Tempurature Rating
40.0 ambient degrees celsius and 50.0 operating degrees celsius
Rotor Speed Rating In Rpm
1750.0 single full load
Center To Center Distance Between Mounting Facilities Parallel To Width
11.000 inches
Current Rating In Amps
56.800 single input
Connection Type And Voltage Rating In Volts
115.0 line to neutral single input
Shaft End Characteristic
A9 single style single end
Test Data Document
81349-mil-m-17513 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
NSN
6105-00-548-2016
Part Number
121D557
Description
Motor,direct Current
CAGE
24446

A motor which is designed for operation from a direct current source. Excludes motor, engine starter, electrical. See also motor, control.

Part 121D557 NSN 6105-00-548-2016

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16350
FIIG:
A271A0
Concept No.:
1
App. Key:
J
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
35.0 X 25.0 X 25.0
Paclk Weight:
377.0000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
03
LVL_A:
Q
LVL_B:
F

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
062120
UFC:
34760
LTL:
RATING VARIABLE
LCL:
70.0
WCC:
590
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8501322000
  • SITC: 71620
  • End Use: Industrial engines
  • NAICS: 335312
  • USDA: 1

Freight Class: Dc motors of an output exceeding 750 w but not exceeding 14.92 kw

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