PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

XF6252541-ESProtector,thermal-Overload,elect

The Electric Heater Co Dba Hubbell Electric Heater Co. · NSN 6110-01-686-8449 · FSC 6110 · No Item Name Available
Verified by PartsTable
NSN 6110-01-686-8449 — this item is cataloged by the U.S. Government under National Stock Number 6110-01-686-8449. Primary manufacturer part number: XF6252541-ES.
Features
  • Protector,thermal-Overload,elect — FSC 6110
  • 3 verified cross-references
  • Primary manufacturer: The Electric Heater Co Dba Hubbell Electric Heater Co.
Applications
  • Electrical power distribution
  • Generator and power systems
  • Industrial motor installations
General Description

The Protector,thermal-Overload,elect, cataloged under National Stock Number 6110-01-686-8449, is classified within Federal Supply Class 6110 (No Item Name Available) of the Electric Wire, Power, and Distribution Equipment group. The primary manufacturer of record is The Electric Heater Co Dba Hubbell Electric Heater Co.. This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Catalog Facts
Item NameProtector,thermal-Overload,elect
FSC / FSG6110 — No Item Name Available (FSG 61)
ManufacturersThe Electric Heater Co Dba Hubbell Electric Heater Co. (CAGE 19857)
Technical Specifications
ParameterValue
NSN6110-01-686-8449
Primary Part NumberXF6252541-ES
Item NameProtector,thermal-Overload,elect
FSC / FSG6110 / 61 — No Item Name Available
ManufacturerThe Electric Heater Co Dba Hubbell Electric Heater Co.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 8
4730-00-028-389017771 INTERCHANGEABLE
Packing Nut
Hatch & Kirk, Inc.
5998-00-224-9623 INTERCHANGEABLE
Holder,electrical Card
5360-00-418-0020E5356 INTERCHANGEABLE
Spring,helical,compression
Rockwell Automation, Inc. Dba Rockwell Automation
6240-00-617-1740 INTERCHANGEABLE
Lamp,incandescent
5962-01-075-8004932820-220 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Dba Raytheon
4520-01-686-645717771 INTERCHANGEABLE
Heater,water,electric
The Electric Heater Co Dba Hubbell Electric Heater Co.
5930-01-686-8426T8B-79 INTERCHANGEABLE
Switch,thermostatic
United Electric Controls Co Div Precision Sensors Division
5315-01-706-106617-771 INTERCHANGEABLE
Pin,spring
Rix Industries
Cross-Reference Index
Part NumberManufacturer
XF6252541-ES PRIMARY The Electric Heater Co Dba Hubbell Electric Heater Co. (USA)
17771 The Electric Heater Co Dba Hubbell Electric Heater Co. (USA)
17771 PIECE NO 2 The Electric Heater Co Dba Hubbell Electric Heater Co. (USA)
Related Parts
4730-00-028-3890INTERCHANGEABLE
PACKING NUT
17771
5998-00-224-9623INTERCHANGEABLE
HOLDER,ELECTRICAL CARD
5360-00-418-0020INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
E5356
6240-00-617-1740INTERCHANGEABLE
LAMP,INCANDESCENT
5962-01-075-8004INTERCHANGEABLE
MICROCIRCUIT,MEMORY
932820-220
4520-01-686-6457INTERCHANGEABLE
HEATER,WATER,ELECTRIC
17771
5930-01-686-8426INTERCHANGEABLE
SWITCH,THERMOSTATIC
T8B-79
5315-01-706-1066INTERCHANGEABLE
PIN,SPRING
17-771

Frequently Asked Questions

What is NSN 6110-01-686-8449?

NSN 6110-01-686-8449 is a Protector,thermal-Overload,elect, manufactured by The Electric Heater Co Dba Hubbell Electric Heater Co., classified under FSC 6110 (No Item Name Available). Status: active.

What are the part numbers for NSN 6110-01-686-8449?

NSN 6110-01-686-8449 has 3 cross-referenced part numbers: XF6252541-ES (The Electric Heater Co Dba Hubbell Electric Heater Co.), 17771 (The Electric Heater Co Dba Hubbell Electric Heater Co.), 17771 PIECE NO 2 (The Electric Heater Co Dba Hubbell Electric Heater Co.).

What NSN replaces 6110-01-686-8449?

There are 8 known substitutes for 6110-01-686-8449: 4730-00-028-3890, 5998-00-224-9623, 5360-00-418-0020 and 5 more. Verify interchangeability with system specifications before substitution.

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