PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

27-128-1Relay,electromagnetic

L3harris Maritime Power & Energy Solutions, Inc · NSN 5945-00-148-5710 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-148-5710 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-148-5710. Primary manufacturer part number: 27-128-1.
Features
  • Relay,electromagnetic — FSC 5945
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
  • Terminal Type and Quantity: 5 PIN ALL FUNCTIONS
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 1.859 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Mounting Facility Type and Quantity: 4 THREADED STUD(S) SINGLE MOUNTING FACILITY
  • Mounting Facility Pattern: RECTANGULAR SINGLE MOUNTING FACILITY
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 2.297 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Thread Class: 2A SINGLE MOUNTING FACILITY A
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-148-5710, 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 Maritime Power & Energy Solutions, Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-148-5710
Primary Part Number27-128-1
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerL3harris Maritime Power & Energy Solutions, Inc
StatusACTIVE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Terminal Type and Quantity5 PIN ALL FUNCTIONS
Center to Center Distance Between Mounting Facilities Parallel to Width1.859 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Mounting Facility Type and Quantity4 THREADED STUD(S) SINGLE MOUNTING FACILITY
Mounting Facility PatternRECTANGULAR SINGLE MOUNTING FACILITY
Center to Center Distance Between Mounting Facilities Parallel to Length2.297 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Thread Class2A SINGLE MOUNTING FACILITY A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
2530-00-735-00997350099 INTERCHANGEABLE
Hub Assembly,right Wheel
U S Army Tank Automotive Command Amsta-Im-Mm
5950-00-992-6586 INTERCHANGEABLE
Transformer,audio Frequency
5915-01-281-042727128 INTERCHANGEABLE
Filter
Viavi Solutionsllc
5962-01-298-4429H101-178 INTERCHANGEABLE
Microcircuit,memory
Howell Instruments, Inc. Dba Howell Instruments Inc
5962-01-344-2593 INTERCHANGEABLE
Microcircuit,memory
5962-01-378-34853261068-2 INTERCHANGEABLE
Microcircuit,memory
Electrodynamics Inc Div L3harris Electrodynamics Inc
5962-01-420-76563261067-3 INTERCHANGEABLE
Microcircuit,memory
Electrodynamics Inc Div L3harris Electrodynamics Inc
5962-01-420-76623261068-3 INTERCHANGEABLE
Microcircuit,memory
Electrodynamics Inc Div L3harris Electrodynamics Inc
5962-01-420-88953261066-3 INTERCHANGEABLE
Microcircuit,memory
Electrodynamics Inc Div L3harris Electrodynamics Inc
4730-01-477-4055271281 INTERCHANGEABLE
Fitting,lubrication
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
27-128 L3harris Maritime Power & Energy Solutions, Inc (USA)
27-128-1 PRIMARY L3harris Maritime Power & Energy Solutions, Inc (USA)
Related Parts
2530-00-735-0099INTERCHANGEABLE
HUB ASSEMBLY,RIGHT WHEEL
7350099
5950-00-992-6586INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5915-01-281-0427INTERCHANGEABLE
FILTER
27128
5962-01-298-4429INTERCHANGEABLE
MICROCIRCUIT,MEMORY
H101-178
5962-01-344-2593INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-378-3485INTERCHANGEABLE
MICROCIRCUIT,MEMORY
3261068-2
5962-01-420-7656INTERCHANGEABLE
MICROCIRCUIT,MEMORY
3261067-3
5962-01-420-7662INTERCHANGEABLE
MICROCIRCUIT,MEMORY
3261068-3
5962-01-420-8895INTERCHANGEABLE
MICROCIRCUIT,MEMORY
3261066-3
4730-01-477-4055INTERCHANGEABLE
FITTING,LUBRICATION
271281

Frequently Asked Questions

What is NSN 5945-00-148-5710?

NSN 5945-00-148-5710 is a Relay,electromagnetic, manufactured by L3harris Maritime Power & Energy Solutions, Inc, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-148-5710?

NSN 5945-00-148-5710 has 2 cross-referenced part numbers: 27-128 (L3harris Maritime Power & Energy Solutions, Inc), 27-128-1 (L3harris Maritime Power & Energy Solutions, Inc).

What NSN replaces 5945-00-148-5710?

There are 10 known substitutes for 5945-00-148-5710: 2530-00-735-0099, 5950-00-992-6586, 5915-01-281-0427 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 27-128-1?

Key specifications for 27-128-1: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY; Terminal Type and Quantity: 5 PIN ALL FUNCTIONS; Center to Center Distance Between Mounting Facilities Parallel to Width: 1.859 INCHES NOMINAL SINGLE MOUNTING FACILITY IN; Overall Length: 3.062 INCHES NOMINAL IN. 9 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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