PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

46-156305P1Relay,electromagnetic

General Electric Co Medical Systems Div · NSN 5945-01-221-5403 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-01-221-5403 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-221-5403. Primary manufacturer part number: 46-156305P1.
Features
  • Relay,electromagnetic — FSC 5945
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 1.640 INCHES NOMINAL FIRST MOUNTING FACILITY IN
  • Operating Voltage Rating and Type at Specified Temp: 230.0 VOLTS AC NONSTANDARD TEMP ALL WINDINGS
  • Main Contact Maximum Voltage Rating in Volts: 230.0 AC
  • Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY
  • Nonpile-Up Main Contact Arrangement: 3 POLE, SINGLE THROW, NORMALLY OPEN, DOUBLE MAKE, MOMENTARY ACTION
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.640 INCHES NOMINAL FIRST MOUNTING FACILITY IN
  • Precious Material: SILVER
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
  • Applications requiring Silver Contact construction
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-01-221-5403, 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 Electric Co Medical Systems Div. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-01-221-5403
Primary Part Number46-156305P1
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerGeneral Electric Co Medical Systems Div
StatusACTIVE
Center to Center Distance Between Mounting Facilities Parallel to Width1.640 INCHES NOMINAL FIRST MOUNTING FACILITY IN
Operating Voltage Rating and Type at Specified Temp230.0 VOLTS AC NONSTANDARD TEMP ALL WINDINGS
Main Contact Maximum Voltage Rating in Volts230.0 AC
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY
Nonpile-Up Main Contact Arrangement3 POLE, SINGLE THROW, NORMALLY OPEN, DOUBLE MAKE, MOMENTARY ACTION
Center to Center Distance Between Mounting Facilities Parallel to Length1.640 INCHES NOMINAL FIRST MOUNTING FACILITY IN
Precious MaterialSILVER
Duty TypeCONTINUOUS
Terminal Type and Quantity4 TAB W/SCREW ENERGIZING ELEMENT
Main Contact Load Current Rating at Maximum Rated Voltage25.0 AMPERES AC RESISTIVE LOAD
Mounting Facility PatternIN-LINE FIRST MOUNTING FACILITY
Purpose for Which DesignedSPECIFIC
Precious Material and Weight0.020 SILVER OUNCES, TROY
MaterialSILVER CONTACT
Frequency in Hertz50.0 MINIMUM AND 60.0 MAXIMUM
Coil Quantity1
Unthreaded Mounting Hole Diameter0.196 INCHES NOMINAL SECOND MOUNTING FACILITY IN
Overall Diameter2.810 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6110-01-058-80058910DPA32V02 INTERCHANGEABLE
Contactor,magnetic
Schneider Electric Usa, Inc. Dba Schneider Electric
Cross-Reference Index
Part NumberManufacturer
46-156305P1 PRIMARY General Electric Co Medical Systems Div (USA)
143-621120-14400A Jefferson Union Co (USA)
Related Parts
6110-01-058-8005INTERCHANGEABLE
CONTACTOR,MAGNETIC
8910DPA32V02

Frequently Asked Questions

What is NSN 5945-01-221-5403?

NSN 5945-01-221-5403 is a Relay,electromagnetic, manufactured by General Electric Co Medical Systems Div, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-01-221-5403?

NSN 5945-01-221-5403 has 2 cross-referenced part numbers: 46-156305P1 (General Electric Co Medical Systems Div), 143-621120-14400A (Jefferson Union Co).

What NSN replaces 5945-01-221-5403?

There is 1 known substitute for 5945-01-221-5403: 6110-01-058-8005. Verify interchangeability with system specifications before substitution.

What are the specifications of 46-156305P1?

Key specifications for 46-156305P1: Center to Center Distance Between Mounting Facilities Parallel to Width: 1.640 INCHES NOMINAL FIRST MOUNTING FACILITY IN; Operating Voltage Rating and Type at Specified Temp: 230.0 VOLTS AC NONSTANDARD TEMP ALL WINDINGS; Main Contact Maximum Voltage Rating in Volts: 230.0 AC; Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY. 22 total characteristics are documented in the Federal Logistics Information System.

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