PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2R10A450ERelay,electromagnetic

Dri Relays Inc. Dba Dri Relays Inc · NSN 5945-00-009-1220 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-009-1220 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-009-1220. Primary manufacturer part number: 2R10A450E.
Features
  • Relay,electromagnetic — FSC 5945
  • Duty Type: CONTINUOUS
  • Mounting Facility Pattern: IN-LINE SINGLE MOUNTING FACILITY
  • Winding DC Resistance Rating: 2.25 KILOHMS NOMINAL SINGLE WINDING
  • Operating Voltage Rating and Type at Specified Temp: 26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
  • Terminal Type and Quantity: 8 PIN ALL FUNCTIONS
  • Unthreaded Mounting Hole Diameter: 0.120 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Nonpile-Up Main Contact Arrangement: 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-009-1220, 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 Dri Relays Inc. Dba Dri Relays Inc. Government technical data includes 16 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5945-00-009-1220
Primary Part Number2R10A450E
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerDri Relays Inc. Dba Dri Relays Inc
StatusCANCELLED
Duty TypeCONTINUOUS
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Winding DC Resistance Rating2.25 KILOHMS NOMINAL SINGLE WINDING
Operating Voltage Rating and Type at Specified Temp26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Terminal Type and Quantity8 PIN ALL FUNCTIONS
Unthreaded Mounting Hole Diameter0.120 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Nonpile-Up Main Contact Arrangement2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Center to Center Distance Between Mounting Facilities Parallel to Length1.062 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Main Contact Maximum Voltage Rating in Volts115.0 AC AND 30.0 DC
Time Delay0.0065 SECONDS MAXIMUM FIXED OPERATE TIME
Time Delay0.0025 SECONDS MAXIMUM FIXED RELEASE TIME
Main Contact Load Current Rating at Maximum Rated Voltage2.0 AMPERES AC AND 2.0 AMPERES DC RESISTIVE LOAD
Coil Quantity1
Environmental ProtectionHERMETIC
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Winding Quantity1
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
4140-01-064-55268214JN INTERCHANGEABLE
Fan,tubeaxial
Ebm Industries Inc Dba Ebm Papst
4820-01-122-4399812A-4 INTERCHANGEABLE
Stem,fluid Valve
Henry Technologies, Inc.
5340-01-366-37938124 INTERCHANGEABLE
Clamp,loop
Keystone Electronics Corp
5998-01-390-23298124 INTERCHANGEABLE
Electronic Components Assembly
Matrix Systems Corporation
5305-01-396-2887 INTERCHANGEABLE
Screw,machine
5340-01-432-2133 INTERCHANGEABLE
Bracket,mounting
5340-01-462-7997741260-A INTERCHANGEABLE
Bracket,mounting
L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
2590-01-624-25938124 INTERCHANGEABLE
Driver Assembly,rotation Indicat
Teledyne Flir Unmanned Ground Systems, Inc
Cross-Reference Index
Part NumberManufacturer
COH-20009 Comercial Hernando Moreno Cohemo SL (ESP)
5945.000062 General Dynamics European Land Systems - Santa Barbara Sistemas Sa (ESP)
2BA1B126 Hi-G Co Inc Sub of Nytronics Inc (USA)
2R10A450E PRIMARY Dri Relays Inc. Dba Dri Relays Inc (USA)
2R10A450E Couch S H Co (USA)
8-124 Kidde Technologies, Inc Div Kidde Aerospace and Defense (USA)
Related Parts
4140-01-064-5526INTERCHANGEABLE
FAN,TUBEAXIAL
8214JN
4820-01-122-4399INTERCHANGEABLE
STEM,FLUID VALVE
812A-4
5340-01-366-3793INTERCHANGEABLE
CLAMP,LOOP
8124
5998-01-390-2329INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
8124
5305-01-396-2887INTERCHANGEABLE
SCREW,MACHINE
5340-01-432-2133INTERCHANGEABLE
BRACKET,MOUNTING
5340-01-462-7997INTERCHANGEABLE
BRACKET,MOUNTING
741260-A
2590-01-624-2593INTERCHANGEABLE
DRIVER ASSEMBLY,ROTATION INDICAT
8124

Frequently Asked Questions

What is NSN 5945-00-009-1220?

NSN 5945-00-009-1220 is a Relay,electromagnetic, manufactured by Dri Relays Inc. Dba Dri Relays Inc, classified under FSC 5945 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5945-00-009-1220?

NSN 5945-00-009-1220 has 6 cross-referenced part numbers: COH-20009 (Comercial Hernando Moreno Cohemo SL), 5945.000062 (General Dynamics European Land Systems - Santa Barbara Sistemas Sa), 2BA1B126 (Hi-G Co Inc Sub of Nytronics Inc), 2R10A450E (Dri Relays Inc. Dba Dri Relays Inc), 2R10A450E (Couch S H Co) and 1 more.

What NSN replaces 5945-00-009-1220?

There are 8 known substitutes for 5945-00-009-1220: 4140-01-064-5526, 4820-01-122-4399, 5340-01-366-3793 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2R10A450E?

Key specifications for 2R10A450E: Duty Type: CONTINUOUS; Mounting Facility Pattern: IN-LINE SINGLE MOUNTING FACILITY; Winding DC Resistance Rating: 2.25 KILOHMS NOMINAL SINGLE WINDING; Overall Length: 1.310 INCHES MAXIMUM IN. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5945-00-009-1220 still in active supply?

NSN 5945-00-009-1220 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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