PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

83-4084Relay,electromagnetic

Midland-Ross Corp Midtex Div · NSN 5945-00-868-4485 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-868-4485 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-868-4485. Primary manufacturer part number: 83-4084.
Features
  • Relay,electromagnetic — FSC 5945
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
  • Thread Class: 2A SINGLE MOUNTING FACILITY A
  • Operating Voltage Rating and Type at Specified Temp: 115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
  • Nominal Thread Size: 0.099 INCHES SINGLE MOUNTING FACILITY IN
  • Main Contact Maximum Voltage Rating in Volts: 115.0 AC AND 50.0 DC
  • Main Contact Load Current Rating at Maximum Rated Voltage: 3.0 AMPERES AC AND 2.0 AMPERES DC RESISTIVE LOAD
  • Coil Quantity: 1
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-868-4485, 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 Midland-Ross Corp Midtex Div. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5945-00-868-4485
Primary Part Number83-4084
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerMidland-Ross Corp Midtex Div
StatusCANCELLED
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Thread Class2A SINGLE MOUNTING FACILITY A
Operating Voltage Rating and Type at Specified Temp115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Nominal Thread Size0.099 INCHES SINGLE MOUNTING FACILITY IN
Main Contact Maximum Voltage Rating in Volts115.0 AC AND 50.0 DC
Main Contact Load Current Rating at Maximum Rated Voltage3.0 AMPERES AC AND 2.0 AMPERES DC RESISTIVE LOAD
Coil Quantity1
Winding Quantity1
Frequency in Hertz400.0 NOMINAL
Nonpile-Up Main Contact Arrangement4 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Mounting Facility Type and Quantity1 THREADED STUD(S) SINGLE MOUNTING FACILITY
Terminal Type and Quantity14 PIN ALL FUNCTIONS
Duty TypeCONTINUOUS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
2520-00-360-689378637550 INTERCHANGEABLE
Disk,clutch,vehicular
Agco Corp Parts Opn
5360-00-727-16174084 INTERCHANGEABLE
Spring,helical,compression
Wakmann Watch Company Inc
6210-00-783-77604084 INTERCHANGEABLE
Lens,light
L3harris Technologies, Inc. Div Space and Airborne Systems
6145-01-043-0143UL62S00W6BCF4/8EPCPE INTERCHANGEABLE
Cable,power,electrical
Underwriters Laboratories Inc
6505-01-166-7821NDC00006-5424-02 INTERCHANGEABLE
Antivenin,latrodectus Mactans
Merck Sharp & Dohme Llc
5360-01-235-3020834084 INTERCHANGEABLE
Spring,helical,compression
Lockheed Martin Corporation Div Rms - Mitchel Field
4820-01-319-18864084 INTERCHANGEABLE
Valve,exhaust Control
Elliott Machine Works Inc
5330-01-450-2894 INTERCHANGEABLE
Seal,nonmetallic Special Shaped
6145-01-453-66525A12310H01 INTERCHANGEABLE
Cable,special Purpose,electrical
Northrop Grumman Systems Corporation
5962-01-464-63954084 INTERCHANGEABLE
Microcircuit,memory
Trig-Tek, Incorporated
Cross-Reference Index
Part NumberManufacturer
83-4084 Midland-Ross Corp Midtex Div
4084 Midland-Ross Corp Midtex Div
25365-12 Hamilton Standard Electronics Systems Inc Tele-Dynamics Div (USA)
T154X775 Allied Controls, Inc. (USA)
REY1455 I-T-E Imperial Corp Subsidiary of Gould Inc Atlanta Marine Dept (USA)
Related Parts
2520-00-360-6893INTERCHANGEABLE
DISK,CLUTCH,VEHICULAR
78637550
5360-00-727-1617INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
4084
6210-00-783-7760INTERCHANGEABLE
LENS,LIGHT
4084
6145-01-043-0143INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
UL62S00W6BCF4/8EPCPE
6505-01-166-7821INTERCHANGEABLE
ANTIVENIN,LATRODECTUS MACTANS
NDC00006-5424-02
5360-01-235-3020INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
834084
4820-01-319-1886INTERCHANGEABLE
VALVE,EXHAUST CONTROL
4084
5330-01-450-2894INTERCHANGEABLE
SEAL,NONMETALLIC SPECIAL SHAPED
6145-01-453-6652INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
5A12310H01
5962-01-464-6395INTERCHANGEABLE
MICROCIRCUIT,MEMORY
4084

Frequently Asked Questions

What is NSN 5945-00-868-4485?

NSN 5945-00-868-4485 is a Relay,electromagnetic, manufactured by Midland-Ross Corp Midtex Div, classified under FSC 5945 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5945-00-868-4485?

NSN 5945-00-868-4485 has 5 cross-referenced part numbers: 83-4084 (Midland-Ross Corp Midtex Div), 4084 (Midland-Ross Corp Midtex Div), 25365-12 (Hamilton Standard Electronics Systems Inc Tele-Dynamics Div), T154X775 (Allied Controls, Inc.), REY1455 (I-T-E Imperial Corp Subsidiary of Gould Inc Atlanta Marine Dept).

What NSN replaces 5945-00-868-4485?

There are 10 known substitutes for 5945-00-868-4485: 2520-00-360-6893, 5360-00-727-1617, 6210-00-783-7760 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 83-4084?

Key specifications for 83-4084: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY; Thread Class: 2A SINGLE MOUNTING FACILITY A; Overall Length: 1.875 INCHES MAXIMUM IN; Operating Voltage Rating and Type at Specified Temp: 115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5945-00-868-4485 still in active supply?

NSN 5945-00-868-4485 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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