PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4-166Heating Element,electrical,nonim

National Refrigeration & Air Conditioning Products Inc Dba Continental Refrigerator · NSN 4520-01-225-2113 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-01-225-2113 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-225-2113. Primary manufacturer part number: 4-166.
Features
  • Heating Element,electrical,nonim — FSC 4520
  • Voltage in Volts and Current Type: 220.0 AC SINGLE VOLTAGE
  • 1 verified cross-reference
  • Primary manufacturer: National Refrigeration & Air Conditioning Products Inc Dba Continental Refrigerator
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-225-2113, is classified within Federal Supply Class 4520 (No Item Name Available) of the Plumbing, Heating, and Waste Disposal group. The primary manufacturer of record is National Refrigeration & Air Conditioning Products Inc Dba Continental Refrigerator. Government technical data includes 1 verified specification, 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-01-225-2113
Primary Part Number4-166
Item NameHeating Element,electrical,nonim
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerNational Refrigeration & Air Conditioning Products Inc Dba Continental Refrigerator
StatusACTIVE
Voltage in Volts and Current Type220.0 AC SINGLE VOLTAGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4820-00-256-3704BB61S47-085PC136 INTERCHANGEABLE
Disk,valve
Naval Sea Systems Command
2520-00-447-2221T93-16B INTERCHANGEABLE
Gear,transmission
Borg-Warner Corp
5365-00-591-6614S1610-24087-3 INTERCHANGEABLE
Shim
Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
2805-00-848-22662806270 INTERCHANGEABLE
Oil Pump Assembly,engine
Chrysler Realty Company Llc Dba Daimler Chrysler
5325-00-903-7567 INTERCHANGEABLE
Ring,retaining
5340-01-042-4882TA4C53-3 INTERCHANGEABLE
Clamp,loop
Ta Aerospace Co Div Ta Aerospace
5970-01-102-1704AE3663683E0790 INTERCHANGEABLE
Insulator,plate
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
5998-01-156-80024166 INTERCHANGEABLE
Circuit Card Assembly
Ross Laboratories, Inc.
6625-01-690-65134166 INTERCHANGEABLE
Test Set,battery
Concorde Battery Corporation Dba Concorde Battery Corp
Cross-Reference Index
Part NumberManufacturer
4-166 PRIMARY National Refrigeration & Air Conditioning Products Inc Dba Continental Refrigerator (USA)
Related Parts
4820-00-256-3704INTERCHANGEABLE
DISK,VALVE
BB61S47-085PC136
2520-00-447-2221INTERCHANGEABLE
GEAR,TRANSMISSION
T93-16B
5365-00-591-6614INTERCHANGEABLE
SHIM
S1610-24087-3
2805-00-848-2266INTERCHANGEABLE
OIL PUMP ASSEMBLY,ENGINE
2806270
5325-00-903-7567INTERCHANGEABLE
RING,RETAINING
5340-01-042-4882INTERCHANGEABLE
CLAMP,LOOP
TA4C53-3
5970-01-102-1704INTERCHANGEABLE
INSULATOR,PLATE
AE3663683E0790
5998-01-156-8002INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
4166
6625-01-690-6513INTERCHANGEABLE
TEST SET,BATTERY
4166

Frequently Asked Questions

What is NSN 4520-01-225-2113?

NSN 4520-01-225-2113 is a Heating Element,electrical,nonim, manufactured by National Refrigeration & Air Conditioning Products Inc Dba Continental Refrigerator, classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-01-225-2113?

NSN 4520-01-225-2113 has 1 cross-referenced part number: 4-166 (National Refrigeration & Air Conditioning Products Inc Dba Continental Refrigerator).

What NSN replaces 4520-01-225-2113?

There are 9 known substitutes for 4520-01-225-2113: 4820-00-256-3704, 2520-00-447-2221, 5365-00-591-6614 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4-166?

Key specifications for 4-166: Voltage in Volts and Current Type: 220.0 AC SINGLE VOLTAGE. 1 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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