PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28003-0Relay,electromagnetic

Essex Brownell Inc. Div Essex Group Inc · NSN 5945-00-632-4705 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-632-4705 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-632-4705. Primary manufacturer part number: 28003-0.
Features
  • Relay,electromagnetic — FSC 5945
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Mounting Facility Pattern: RECTANGULAR SINGLE MOUNTING FACILITY
  • Winding Quantity: 1
  • Operating Voltage Rating and Type at Specified Temp: 26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
  • Nominal Thread Size: 0.112 INCHES SINGLE MOUNTING FACILITY IN
  • Thread Series Designator: UNF SINGLE MOUNTING FACILITY
  • Mounting Facility Type and Quantity: 4 THREADED HOLE(S) SINGLE MOUNTING FACILITY
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-632-4705, 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 Essex Brownell Inc. Div Essex Group Inc. Government technical data includes 14 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-632-4705
Primary Part Number28003-0
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerEssex Brownell Inc. Div Essex Group Inc
StatusACTIVE
Center to Center Distance Between Mounting Facilities Parallel to Length0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Mounting Facility PatternRECTANGULAR SINGLE MOUNTING FACILITY
Winding Quantity1
Operating Voltage Rating and Type at Specified Temp26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Nominal Thread Size0.112 INCHES SINGLE MOUNTING FACILITY IN
Thread Series DesignatorUNF SINGLE MOUNTING FACILITY
Mounting Facility Type and Quantity4 THREADED HOLE(S) SINGLE MOUNTING FACILITY
Center to Center Distance Between Mounting Facilities Parallel to Width0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Coil Quantity1
Thread Class2B SINGLE MOUNTING FACILITY
Pile-Up Main Contact Form Arrangement1C
Nominal Operating Current Rating and Type60.0 MILLIAMPERES DC SINGLE WINDING
Duty TypeCONTINUOUS
Terminal Type and Quantity5 PIN ALL FUNCTIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5945-00-257-6928233507 INTERCHANGEABLE
Relay,electromagnetic
L3harris Cincinnati Electronics Corporation
5365-00-970-8754280-030 INTERCHANGEABLE
Spacer,transistor M
Ampex Data Systems Corporation Dba Ampex Intelligent Systems
6150-01-278-3209198C103 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Cicoil, Llc Dba Cicoil Limited Liability Co
Cross-Reference Index
Part NumberManufacturer
28003-0 Essex Brownell Inc. Div Essex Group Inc (USA)
198C103 A R F Products Inc (USA)
Related Parts
5945-00-257-6928INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
233507
5365-00-970-8754INTERCHANGEABLE
SPACER,TRANSISTOR M
280-030
6150-01-278-3209INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
198C103

Frequently Asked Questions

What is NSN 5945-00-632-4705?

NSN 5945-00-632-4705 is a Relay,electromagnetic, manufactured by Essex Brownell Inc. Div Essex Group Inc, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-632-4705?

NSN 5945-00-632-4705 has 2 cross-referenced part numbers: 28003-0 (Essex Brownell Inc. Div Essex Group Inc), 198C103 (A R F Products Inc).

What NSN replaces 5945-00-632-4705?

There are 3 known substitutes for 5945-00-632-4705: 5945-00-257-6928, 5365-00-970-8754, 6150-01-278-3209. Verify interchangeability with system specifications before substitution.

What are the specifications of 28003-0?

Key specifications for 28003-0: Center to Center Distance Between Mounting Facilities Parallel to Length: 0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN; Mounting Facility Pattern: RECTANGULAR SINGLE MOUNTING FACILITY; Winding Quantity: 1; Operating Voltage Rating and Type at Specified Temp: 26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING. 17 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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