PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R83Relay,electromagnetic

Midland-Ross Corp Midtex Div · NSN 5945-00-259-6109 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-259-6109 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-259-6109. Primary manufacturer part number: R83.
Features
  • Relay,electromagnetic — FSC 5945
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 0.500 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Nonpile-Up Main Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.312 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
  • Environmental Protection: FUNGUS RESISTANT
  • Winding DC Resistance Rating: 320.0 OHMS NOMINAL SINGLE WINDING
  • Main Contact Load Current Rating at Maximum Rated Voltage: 20.0 AMPERES AC RESISTIVE LOAD
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-259-6109, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5945-00-259-6109
Primary Part NumberR83
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerMidland-Ross Corp Midtex Div
StatusCANCELLED
Center to Center Distance Between Mounting Facilities Parallel to Width0.500 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Nonpile-Up Main Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Center to Center Distance Between Mounting Facilities Parallel to Length1.312 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Environmental ProtectionFUNGUS RESISTANT
Winding DC Resistance Rating320.0 OHMS NOMINAL SINGLE WINDING
Main Contact Load Current Rating at Maximum Rated Voltage20.0 AMPERES AC RESISTIVE LOAD
Operating Voltage Rating and Type at Specified Temp115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Duty TypeINTERMITTENT
Winding Quantity1
Unthreaded Mounting Hole Diameter0.140 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Main Contact Maximum Voltage Rating in Volts230.0 AC
Coil Quantity1
Frequency in Hertz50.0 MINIMUM AND 60.0 MAXIMUM
Terminal Type and Quantity4 PIN ALL FUNCTIONS
Mounting Facility PatternRECTANGULAR SINGLE MOUNTING FACILITY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5360-00-122-3966R83 INTERCHANGEABLE
Spring
Baumbach E a Mfg Co
5945-00-201-6855 INTERCHANGEABLE
Relay,electromagnetic
5985-00-682-2749 INTERCHANGEABLE
Switch,radio Frequency Transmiss
Cross-Reference Index
Part NumberManufacturer
R83 Midland-Ross Corp Midtex Div
Related Parts
5360-00-122-3966INTERCHANGEABLE
SPRING
R83
5945-00-201-6855INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5985-00-682-2749INTERCHANGEABLE
SWITCH,RADIO FREQUENCY TRANSMISS

Frequently Asked Questions

What is NSN 5945-00-259-6109?

NSN 5945-00-259-6109 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 5945-00-259-6109?

NSN 5945-00-259-6109 has 1 cross-referenced part number: R83 (Midland-Ross Corp Midtex Div).

What NSN replaces 5945-00-259-6109?

There are 3 known substitutes for 5945-00-259-6109: 5360-00-122-3966, 5945-00-201-6855, 5985-00-682-2749. Verify interchangeability with system specifications before substitution.

What are the specifications of R83?

Key specifications for R83: Center to Center Distance Between Mounting Facilities Parallel to Width: 0.500 INCHES NOMINAL SINGLE MOUNTING FACILITY IN; Nonpile-Up Main Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.312 INCHES NOMINAL SINGLE MOUNTING FACILITY IN; Overall Width: 1.620 INCHES NOMINAL IN. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5945-00-259-6109 still in active supply?

NSN 5945-00-259-6109 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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