PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

570210Relay,electromagnetic

General Indicator Corp Kolux/npi Div Sub of Compudyne Corp · NSN 5945-00-665-9907 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-665-9907 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-665-9907. Primary manufacturer part number: 570210.
Features
  • Relay,electromagnetic — FSC 5945
  • Duty Type: CONTINUOUS
  • Main Contact Load Current Rating at Maximum Rated Voltage: 4.0 AMPERES AC AND 4.0 AMPERES DC RESISTIVE LOAD
  • Nonpile-Up Main Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
  • Operating Voltage Rating and Type at Specified Temp: 35.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
  • Unthreaded Mounting Hole Diameter: 0.156 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Coil Quantity: 1
  • Winding DC Resistance Rating: 6.0 KILOHMS NOMINAL SINGLE WINDING
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-665-9907, 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 General Indicator Corp Kolux/npi Div Sub of Compudyne Corp. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5945-00-665-9907
Primary Part Number570210
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerGeneral Indicator Corp Kolux/npi Div Sub of Compudyne Corp
StatusCANCELLED
Duty TypeCONTINUOUS
Main Contact Load Current Rating at Maximum Rated Voltage4.0 AMPERES AC AND 4.0 AMPERES DC RESISTIVE LOAD
Nonpile-Up Main Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Operating Voltage Rating and Type at Specified Temp35.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Unthreaded Mounting Hole Diameter0.156 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Coil Quantity1
Winding DC Resistance Rating6.0 KILOHMS NOMINAL SINGLE WINDING
Winding Quantity1
Main Contact Maximum Voltage Rating in Volts115.0 AC AND 28.0 DC
Nominal Operating Current Rating and Type8.0 MILLIAMPERES DC SINGLE WINDING
Terminal Type and Quantity4 PIN ALL FUNCTIONS
Environmental ProtectionHERMETIC
Center to Center Distance Between Mounting Facilities Parallel to Length1.125 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
6145-01-579-0321570210 INTERCHANGEABLE
Cable,special Purpose,electrical
Southwire Company, Llc
Cross-Reference Index
Part NumberManufacturer
570210 General Indicator Corp Kolux/npi Div Sub of Compudyne Corp (USA)
CWS563781-2 Stewart-Warner Corporation (USA)
563781-2 Stewart-Warner Corporation (USA)
7364X7250 General Indicator Corp Kolux/npi Div Sub of Compudyne Corp (USA)
570210 Stewart-Warner Corporation (USA)
7364X7250 Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft) (USA)
563781-2 Herley Chicago Dba Stewart Warner Electronics (USA)
Related Parts
6145-01-579-0321INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
570210

Frequently Asked Questions

What is NSN 5945-00-665-9907?

NSN 5945-00-665-9907 is a Relay,electromagnetic, manufactured by General Indicator Corp Kolux/npi Div Sub of Compudyne Corp, classified under FSC 5945 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5945-00-665-9907?

NSN 5945-00-665-9907 has 7 cross-referenced part numbers: 570210 (General Indicator Corp Kolux/npi Div Sub of Compudyne Corp), CWS563781-2 (Stewart-Warner Corporation), 563781-2 (Stewart-Warner Corporation), 7364X7250 (General Indicator Corp Kolux/npi Div Sub of Compudyne Corp), 570210 (Stewart-Warner Corporation) and 2 more.

What NSN replaces 5945-00-665-9907?

There is 1 known substitute for 5945-00-665-9907: 6145-01-579-0321. Verify interchangeability with system specifications before substitution.

What are the specifications of 570210?

Key specifications for 570210: Duty Type: CONTINUOUS; Main Contact Load Current Rating at Maximum Rated Voltage: 4.0 AMPERES AC AND 4.0 AMPERES DC RESISTIVE LOAD; Nonpile-Up Main Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION; Operating Voltage Rating and Type at Specified Temp: 35.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5945-00-665-9907 still in active supply?

NSN 5945-00-665-9907 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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