Model: A-837D

Electromagnetic Relay

Properties:

Thread Class
2b single mounting facility
Overall Length
3.320 inches
Center To Center Distance Between Mounting Facilities Parallel To Length
2.745 inches single mounting facility
Center To Center Distance Between Mounting Facilities Parallel To Width
1.750 inches single mounting facility
Overall Height
2.720 inches
Overall Width
4.630 inches
Winding Quantity
2
Coil Quantity
2
Winding Dc Resistance Rating
16.0 ohms all windings
Duty Type
Intermittent
Mounting Facility Type And Quantity
4 threaded hole single mounting facility
Features Provided
Polarized and latching contacts
Thread Size
0.138 inches single mounting facility
Mounting Facility Pattern
Rectangular single mounting facility
Nonpile-up Main Contact Arrangement
1 pole, single throw, normally open, momentary action and 4 pole, single throw, normally closed, momentary action
Nonpile-up Auxiliary Contact Arrangement
1 pole, single throw, normally open, momentary action
Auxiliary Contact Maximum Voltage Rating In Volts
28.0 dc
Operating Voltage Rating And Type At Specificationified Temp
28.0 volts dc 25 degrees celsius all windings
Main Contact Load Current Rating At Maximum Rated Voltage
3.0 amperes dc resistive load
Main Contact Maximum Voltage Rating In Volts
28.0 dc
Thread Series Designator
Unc single mounting facility
Terminal Type And Quantity
16 pin all functions
NSN
5945-00-982-7121
Part Number
A-837D
Description
Relay,electromagnetic
CAGE
74063

A relay which is actuated by the effect of a magnetic field developed by the current in its energizing coil(s). Includes solenoid and armature types. Excludes contactor, magnetic; relay, meter movement; relay, motor driven; relay, reed; relay, resonant reed; relay, rotary; and switch, stepping.

Part A-837D NSN 5945-00-982-7121

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
32512
FIIG:
A03300
Concept No.:
1
App. Key:
A
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:
U
ESD:
ESD:
MMAC:
EH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
1.9000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
ZZ
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061300
UFC:
34410
LTL:
77.5
LCL:
77.5
WCC:
72D
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8536410020
  • SITC: 77254
  • End Use: Electric apparatus
  • NAICS: 335314
  • USDA: 1

Freight Class: Relays, electromechanical, with contacts rated less than 10 a, for a voltage not exceeding 60 v

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