Model: 457-5978

Electromagnetic Relay

Properties:

Thread Class
2a single mounting facility
Thread Direction
Right-hand single mounting facility
Thread Length
0.375 inches single mounting facility
Overall Length
1.531 inches
Center To Center Distance Between Mounting Facilities Parallel To Length
1.187 inches single mounting facility
Center To Center Distance Between Mounting Facilities Parallel To Width
1.187 inches single mounting facility
Overall Height
2.055 inches
Overall Width
1.531 inches
Case Material
Metal
Environmental Protection
Hermetic
Fragility Factor
Moderately rugged
Winding Quantity
1
Purpose For Which Designed
Specific
Coil Quantity
1
Duty Type
Continuous
Arc Quenching Method
Air
Mounting Facility Type And Quantity
4 threaded stud single mounting facility
Storage Type
General purpose warehouse
Cubic Measure
4.817 cubic inches
Thready Qty Per Inch (tpi)
32 single mounting facility
Thread Size
0.138 inches single mounting facility
Mounting Facility Pattern
Rectangular single mounting facility
Nonpile-up Main Contact Arrangement
3 pole, single throw, normally open, momentary action
Operating Current Rating And Type
250.0 milliamperes dc single winding
Time Delay
0.01 seconds fixed release time
Time Delay
0.02 seconds fixed operate time
Operating Voltage Rating And Type At Specificationified Temp
28.0 volts dc 25 degrees celsius single winding
Main Contact Load Current Rating At Maximum Rated Voltage
25.0 amperes ac inductive load and 15.0 amperes dc inductive load
Main Contact Load Current Rating At Maximum Rated Voltage
25.0 amperes ac resistive load and 25.0 amperes dc resistive load
Main Contact Load Current Rating At Maximum Rated Voltage
10.0 amperes ac lamp load and 10.0 amperes dc lamp load
Main Contact Load Current Rating At Maximum Rated Voltage
20.0 amperes ac motor load and 20.0 amperes dc motor load
Main Contact Maximum Voltage Rating In Volts
115.0 ac and 28.0 dc
Test Data Document
81349-mil-r-6106 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.).
Thread Series Designator
Unc single mounting facility
Terminal Type And Quantity
8 wire hook all functions
Specification Data
96906-ms27418 government standard
NSN
5945-00-850-1144
Part Number
457-5978
Description
Relay,electromagnetic
CAGE
A486G

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 457-5978 NSN 5945-00-850-1144

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:
A
ESD:
ESD:
MMAC:
EH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
1.5 X 1.5 X 2.1
Paclk Weight:
0.5000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
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: 8536490075
  • SITC: 77254
  • End Use: Electric apparatus
  • NAICS: 335314
  • USDA: 1

Freight Class: Relays, electromechanical, for a voltage exceeding 60 v but not exceeding 1,000 v, nesoi

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