PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

128C773H01Relay,electromagnetic

Northrop Grumman Support Services Corp · NSN 5945-00-759-1415 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-759-1415 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-759-1415. Primary manufacturer part number: 128C773H01.
Features
  • Relay,electromagnetic — FSC 5945
  • Coil Quantity: 1
  • Time Delay: 4.50 SECONDS MINIMUM AND 5.50 SECONDS MAXIMUM FIXED OPERATE AND RELEASE TIME
  • Material: STEEL CORROSION RESISTING CASE
  • Main Contact Maximum Voltage Rating in Volts: 120.0 AC AND 28.0 DC
  • FSC Application Data: RADAR SET,ANTPS43B,GERMAN TACTICAL AIR DEFENSE SYSTEM,TADS
  • Nonpile-Up Main Contact Arrangement: 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
  • Center to Center Distance Between Mounting Facilities Parallel to Height: 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
  • Applications requiring Steel Corrosion Resisting Case construction
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-759-1415, is classified within Federal Supply Class 5945 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Northrop Grumman Support Services Corp. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-759-1415
Primary Part Number128C773H01
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Support Services Corp
StatusACTIVE
Coil Quantity1
Time Delay4.50 SECONDS MINIMUM AND 5.50 SECONDS MAXIMUM FIXED OPERATE AND RELEASE TIME
MaterialSTEEL CORROSION RESISTING CASE
Main Contact Maximum Voltage Rating in Volts120.0 AC AND 28.0 DC
FSC Application DataRADAR SET,ANTPS43B,GERMAN TACTICAL AIR DEFENSE SYSTEM,TADS
Nonpile-Up Main Contact Arrangement2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Center to Center Distance Between Mounting Facilities Parallel to Height0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN
Mounting Facility Type and Quantity3 THREADED STUD(S) SINGLE MOUNTING FACILITY
Frequency in Hertz400.0 NOMINAL
Thread Quantity Per Inch32 SINGLE MOUNTING FACILITY
Main Contact Load Current Rating at Maximum Rated Voltage1.0 AMPERES AC AND 3.0 AMPERES DC RESISTIVE LOAD
Nominal Operating Current Rating and Type20.0 MILLIAMPERES AC SINGLE WINDING
Mounting Facility PatternTRIANGLE SINGLE MOUNTING FACILITY
Center to Center Distance Between Mounting Facilities Parallel to the Altitude of an Isosceles Triangle1.740 INCHES MINIMUM AND 1.760 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN
Nominal Thread Size0.138 INCHES SINGLE MOUNTING FACILITY IN
Duty TypeCONTINUOUS
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Winding DC Resistance Rating6.0 KILOHMS NOMINAL SINGLE WINDING
Fragility FactorMODERATELY RUGGED
Operating Voltage Rating and Type at Specified Temp120.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Thread Class2A SINGLE MOUNTING FACILITY A
Terminal Type and Quantity8 WIRE HOOK ALL FUNCTIONS
Cubic Measure13.895 CUBIC INCHES
Winding Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6625-00-184-3484265-914 INTERCHANGEABLE
Meter,special Scale
Jewell Instruments Llc
4820-01-472-227292776 INTERCHANGEABLE
Seat,valve
Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division
Cross-Reference Index
Part NumberManufacturer
92776 Tempo Instrument Inc Defense Electronics Div (USA)
CDA39-70015 Te Connectivity Corporation (USA)
92776 B.c. Systems Inc. Dba Bc Systems Inc (USA)
128C773H01 PRIMARY Northrop Grumman Support Services Corp (USA)
128C773H01 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
AE113-020-99 Dare Electronics, Inc. (USA)
Related Parts
6625-00-184-3484INTERCHANGEABLE
METER,SPECIAL SCALE
265-914
4820-01-472-2272INTERCHANGEABLE
SEAT,VALVE
92776

Frequently Asked Questions

What is NSN 5945-00-759-1415?

NSN 5945-00-759-1415 is a Relay,electromagnetic, manufactured by Northrop Grumman Support Services Corp, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-759-1415?

NSN 5945-00-759-1415 has 6 cross-referenced part numbers: 92776 (Tempo Instrument Inc Defense Electronics Div), CDA39-70015 (Te Connectivity Corporation), 92776 (B.c. Systems Inc. Dba Bc Systems Inc), 128C773H01 (Northrop Grumman Support Services Corp), 128C773H01 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp) and 1 more.

What NSN replaces 5945-00-759-1415?

There are 2 known substitutes for 5945-00-759-1415: 6625-00-184-3484, 4820-01-472-2272. Verify interchangeability with system specifications before substitution.

What are the specifications of 128C773H01?

Key specifications for 128C773H01: Coil Quantity: 1; Time Delay: 4.50 SECONDS MINIMUM AND 5.50 SECONDS MAXIMUM FIXED OPERATE AND RELEASE TIME; Material: STEEL CORROSION RESISTING CASE; Main Contact Maximum Voltage Rating in Volts: 120.0 AC AND 28.0 DC. 27 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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