PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

233507Relay,electromagnetic

L3harris Cincinnati Electronics Corporation · NSN 5945-00-257-6928 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-257-6928 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-257-6928. Primary manufacturer part number: 233507.
Features
  • Relay,electromagnetic — FSC 5945
  • Coil Quantity: 1
  • Winding DC Resistance Rating: 480.0 OHMS NOMINAL SINGLE WINDING
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 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
  • Nominal Thread Size: 0.099 INCHES SINGLE MOUNTING FACILITY IN
  • Pile-Up Main Contact Form Arrangement: 1C
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-257-6928, 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 L3harris Cincinnati Electronics Corporation. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-257-6928
Primary Part Number233507
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerL3harris Cincinnati Electronics Corporation
StatusACTIVE
Coil Quantity1
Winding DC Resistance Rating480.0 OHMS NOMINAL SINGLE WINDING
Center to Center Distance Between Mounting Facilities Parallel to Length0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Mounting Facility Type and Quantity4 THREADED HOLE(S) SINGLE MOUNTING FACILITY
Thread Class2B SINGLE MOUNTING FACILITY
Nominal Thread Size0.099 INCHES SINGLE MOUNTING FACILITY IN
Pile-Up Main Contact Form Arrangement1C
Winding Quantity1
Thread Quantity Per Inch48 SINGLE MOUNTING FACILITY
Terminal Type and Quantity5 PIN ALL FUNCTIONS
Operating Voltage Rating and Type at Specified Temp26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Mounting Facility PatternRECTANGULAR SINGLE MOUNTING FACILITY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Main Contact Load Current Rating at Maximum Rated Voltage3.0 AMPERES AC AND 3.0 AMPERES DC RESISTIVE LOAD
Environmental ProtectionFUNGUS PROOF AND WATERTIGHT
Center to Center Distance Between Mounting Facilities Parallel to Width0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Main Contact Maximum Voltage Rating in Volts115.0 AC AND 32.0 DC
Duty TypeCONTINUOUS
Nominal Operating Current Rating and Type60.0 MILLIAMPERES DC SINGLE WINDING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5945-00-257-7766231271 INTERCHANGEABLE
Relay,electromagnetic
L3harris Cincinnati Electronics Corporation
5961-00-542-7157 INTERCHANGEABLE
Transistor
5945-00-632-4705 INTERCHANGEABLE
Relay,electromagnetic
5365-00-970-8754280-030 INTERCHANGEABLE
Spacer,transistor M
Ampex Data Systems Corporation Dba Ampex Intelligent Systems
8030-01-534-517139901 INTERCHANGEABLE
Antiseize Compound
Loctite Corp
Cross-Reference Index
Part NumberManufacturer
SMRF Emerson Electric Co White-Rodgers Div (USA)
28003-0 Emerson Electric Co White-Rodgers Div (USA)
GB59003 Warwick Electronics Inc Pacific Mercury Div
28003-0 Jay Mfg Co (USA)
233507 PRIMARY L3harris Cincinnati Electronics Corporation (USA)
Related Parts
5945-00-257-7766INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
231271
5961-00-542-7157INTERCHANGEABLE
TRANSISTOR
5945-00-632-4705INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5365-00-970-8754INTERCHANGEABLE
SPACER,TRANSISTOR M
280-030
8030-01-534-5171INTERCHANGEABLE
ANTISEIZE COMPOUND
39901

Frequently Asked Questions

What is NSN 5945-00-257-6928?

NSN 5945-00-257-6928 is a Relay,electromagnetic, manufactured by L3harris Cincinnati Electronics Corporation, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-257-6928?

NSN 5945-00-257-6928 has 5 cross-referenced part numbers: SMRF (Emerson Electric Co White-Rodgers Div), 28003-0 (Emerson Electric Co White-Rodgers Div), GB59003 (Warwick Electronics Inc Pacific Mercury Div), 28003-0 (Jay Mfg Co), 233507 (L3harris Cincinnati Electronics Corporation).

What NSN replaces 5945-00-257-6928?

There are 5 known substitutes for 5945-00-257-6928: 5945-00-257-7766, 5961-00-542-7157, 5945-00-632-4705 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 233507?

Key specifications for 233507: Coil Quantity: 1; Winding DC Resistance Rating: 480.0 OHMS NOMINAL SINGLE WINDING; Center to Center Distance Between Mounting Facilities Parallel to Length: 0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN; Mounting Facility Type and Quantity: 4 THREADED HOLE(S) SINGLE 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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