PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28918Relay,electromagnetic

Emerson Electric Co White-Rodgers Div · NSN 5945-00-201-3931 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-201-3931 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-201-3931. Primary manufacturer part number: 28918.
Features
  • Relay,electromagnetic — FSC 5945
  • Operating Voltage Rating and Type at Specified Temp: 26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
  • Main Contact Load Current Rating at Maximum Rated Voltage: 1.5 AMPERES DC RESISTIVE LOAD
  • Coil Quantity: 1
  • Main Contact Maximum Voltage Rating in Volts: 29.0 DC
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Mounting Facility Type and Quantity: 4 THREADED HOLE(S) SINGLE MOUNTING FACILITY
  • Thread Class: 2B SINGLE MOUNTING FACILITY
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-201-3931, 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 Emerson Electric Co White-Rodgers Div. Government technical data includes 15 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: Active.

Technical Specifications
ParameterValue
NSN5945-00-201-3931
Primary Part Number28918
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerEmerson Electric Co White-Rodgers Div
StatusACTIVE
Operating Voltage Rating and Type at Specified Temp26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Main Contact Load Current Rating at Maximum Rated Voltage1.5 AMPERES DC RESISTIVE LOAD
Coil Quantity1
Main Contact Maximum Voltage Rating in Volts29.0 DC
Center to Center Distance Between Mounting Facilities Parallel to Width0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Mounting Facility Type and Quantity4 THREADED HOLE(S) SINGLE MOUNTING FACILITY
Thread Class2B SINGLE MOUNTING FACILITY
Nominal Operating Current Rating and Type60.0 MILLIAMPERES DC SINGLE WINDING
Center to Center Distance Between Mounting Facilities Parallel to Length0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Nominal Thread Size0.099 INCHES SINGLE MOUNTING FACILITY IN
Mounting Facility PatternRECTANGULAR SINGLE MOUNTING FACILITY
Winding Quantity1
Duty TypeCONTINUOUS
Pile-Up Main Contact Form Arrangement1C
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5950-00-458-6380SM-D-752390 INTERCHANGEABLE
Transformer,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3040-01-110-231028918 INTERCHANGEABLE
Cap,linear Actuating Cylinder
Moog Inc. Dba Ampac-Isp Corp
5342-01-183-491328918 INTERCHANGEABLE
Insert
Unison Industries Llc
Cross-Reference Index
Part NumberManufacturer
28918 Emerson Electric Co White-Rodgers Div (USA)
Related Parts
5950-00-458-6380INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
SM-D-752390
3040-01-110-2310INTERCHANGEABLE
CAP,LINEAR ACTUATING CYLINDER
28918
5342-01-183-4913INTERCHANGEABLE
INSERT
28918

Frequently Asked Questions

What is NSN 5945-00-201-3931?

NSN 5945-00-201-3931 is a Relay,electromagnetic, manufactured by Emerson Electric Co White-Rodgers Div, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-201-3931?

NSN 5945-00-201-3931 has 1 cross-referenced part number: 28918 (Emerson Electric Co White-Rodgers Div).

What NSN replaces 5945-00-201-3931?

There are 3 known substitutes for 5945-00-201-3931: 5950-00-458-6380, 3040-01-110-2310, 5342-01-183-4913. Verify interchangeability with system specifications before substitution.

What are the specifications of 28918?

Key specifications for 28918: Operating Voltage Rating and Type at Specified Temp: 26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING; Main Contact Load Current Rating at Maximum Rated Voltage: 1.5 AMPERES DC RESISTIVE LOAD; Coil Quantity: 1; End Item Identification: TYPE NO. AN/ARN-18. 19 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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