PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

974-0514-000Relay,electromagnetic

Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems · NSN 5945-00-666-4653 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-666-4653 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-666-4653. Primary manufacturer part number: 974-0514-000.
Features
  • Relay,electromagnetic — FSC 5945
  • Environmental Protection: HERMETIC
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
  • Mounting Facility Pattern: IN-LINE SINGLE MOUNTING FACILITY
  • Winding DC Resistance Rating: 1.0 KILOHMS NOMINAL SINGLE WINDING
  • Main Contact Load Current Rating at Maximum Rated Voltage: 2.0 AMPERES AC AND 2.0 AMPERES DC RESISTIVE LOAD
  • Main Contact Maximum Voltage Rating in Volts: 115.0 AC AND 28.0 DC
  • Nominal Operating Current Rating and Type: 6.30 MILLIAMPERES DC SINGLE WINDING
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-666-4653, 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 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5945-00-666-4653
Primary Part Number974-0514-000
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerRockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
StatusCANCELLED
Environmental ProtectionHERMETIC
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Winding DC Resistance Rating1.0 KILOHMS NOMINAL SINGLE WINDING
Main Contact Load Current Rating at Maximum Rated Voltage2.0 AMPERES AC AND 2.0 AMPERES DC RESISTIVE LOAD
Main Contact Maximum Voltage Rating in Volts115.0 AC AND 28.0 DC
Nominal Operating Current Rating and Type6.30 MILLIAMPERES DC SINGLE WINDING
Winding Quantity1
Center to Center Distance Between Mounting Facilities Parallel to Length0.500 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Pile-Up Main Contact Form Arrangement2C
Thread Class2A SINGLE MOUNTING FACILITY A
Mounting Facility Type and Quantity2 THREADED STUD(S) SINGLE MOUNTING FACILITY
Coil Quantity1
Duty TypeCONTINUOUS
Nominal Thread Size0.112 INCHES SINGLE MOUNTING FACILITY IN
Terminal Type and Quantity8 PIN ALL FUNCTIONS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5325-00-514-0362 INTERCHANGEABLE
Ring,retaining
3040-00-710-8836A6662 INTERCHANGEABLE
Cam,control
Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division
Cross-Reference Index
Part NumberManufacturer
T002-1182 Omntec Manufacturing Inc (USA)
889512 Honeywell Intl Inc Defense Avionics Systems (USA)
226-ACC-104-A Precision Switching Inc (USA)
974-0514-000 PRIMARY Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
518997 Precision Switching Inc (USA)
90899 Sigma Instruments Inc (USA)
518997 Itt Telecom Products Corp Network Systems Div (USA)
12-Z-13001-9254 Naval Sea Systems Command (USA)
22RJCC90899 Sigma Instruments Inc (USA)
A6662 Autodyne Manufacturing Co Inc (USA)
Related Parts
5325-00-514-0362INTERCHANGEABLE
RING,RETAINING
3040-00-710-8836INTERCHANGEABLE
CAM,CONTROL
A6662

Frequently Asked Questions

What is NSN 5945-00-666-4653?

NSN 5945-00-666-4653 is a Relay,electromagnetic, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5945 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5945-00-666-4653?

NSN 5945-00-666-4653 has 10 cross-referenced part numbers: T002-1182 (Omntec Manufacturing Inc), 889512 (Honeywell Intl Inc Defense Avionics Systems), 226-ACC-104-A (Precision Switching Inc), 974-0514-000 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 518997 (Precision Switching Inc) and 5 more.

What NSN replaces 5945-00-666-4653?

There are 2 known substitutes for 5945-00-666-4653: 5325-00-514-0362, 3040-00-710-8836. Verify interchangeability with system specifications before substitution.

What are the specifications of 974-0514-000?

Key specifications for 974-0514-000: Environmental Protection: HERMETIC; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY; Mounting Facility Pattern: IN-LINE SINGLE MOUNTING FACILITY; Winding DC Resistance Rating: 1.0 KILOHMS NOMINAL SINGLE WINDING. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5945-00-666-4653 still in active supply?

NSN 5945-00-666-4653 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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