PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PCN 121427Heating Element,electrical,nonim

Chromalox Inc Dba Chromalox Precision Heat and Control, Inc · NSN 4520-00-079-1792 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-00-079-1792 — this item is cataloged by the U.S. Government under National Stock Number 4520-00-079-1792. Primary manufacturer part number: PCN 121427.
Features
  • Heating Element,electrical,nonim — FSC 4520
  • Terminal Arrangement Style: IN LINE (TANDEM) AT ONE END
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 47.000 INCHES NOMINAL IN
  • Mounting Method Style: SLOT OR HOLE TYPE MOUNTING FACILITY
  • Length: 45.500 INCHES NOMINAL IN
  • Terminal Length: 0.562 INCHES NOMINAL IN
  • Terminal Quantity: 2
  • Thread Series Designator: UNF STUD
Applications
  • Applications requiring Iron Rust Resisting Sheath construction
General Description

The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-00-079-1792, 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 Chromalox Inc Dba Chromalox Precision Heat and Control, Inc. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 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
NSN4520-00-079-1792
Primary Part NumberPCN 121427
Item NameHeating Element,electrical,nonim
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerChromalox Inc Dba Chromalox Precision Heat and Control, Inc
StatusACTIVE
Terminal Arrangement StyleIN LINE (TANDEM) AT ONE END
Center to Center Distance Between Mounting Facilities Parallel to Width47.000 INCHES NOMINAL IN
Mounting Method StyleSLOT OR HOLE TYPE MOUNTING FACILITY
Length45.500 INCHES NOMINAL IN
Terminal Length0.562 INCHES NOMINAL IN
Terminal Quantity2
Thread Series DesignatorUNF STUD
Mounting Facility Width0.312 INCHES NOMINAL IN
Thread Quantity32.0 PER INCH STUD
Body StyleSTRIP ELEMENT
Maximum Wattage Rating in Watts2250.0 SINGLE VOLTAGE
PhaseSINGLE SINGLE VOLTAGE
Mounting Facility Length0.500 INCHES NOMINAL IN
Element Radiation SpectrumNONINFRARED
Hole or Slot Quantity2
Width1.500 INCHES NOMINAL IN
Watt Density Rating16.0 PER SQUARE INCH SINGLE VOLTAGE
MaterialIRON RUST RESISTING SHEATH
Voltage in Volts and Current Type240.0 AC SINGLE VOLTAGE
Heat Quantity1
Effective Heating Length45.500 INCHES NOMINAL IN
Element Quantity1
Nominal Thread Size0.190 INCHES STUD IN
Frequency in Hertz60.0
Nondefinitive Spec/std Data2 TYPE
Element Connection StyleHERMETICALLY SEALED STUD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5325-00-282-81561259246-18 INTERCHANGEABLE
Eyelet,metallic
Honeywell International Inc. Dba Honeywell International
3020-00-424-2815SE48 INTERCHANGEABLE
Guard,mechanical Drive
Wisconsin Motors, Llc
4730-00-530-72967235160 INTERCHANGEABLE
Strainer Element,sediment
Kalmar AC Inc
6635-01-091-3281 INTERCHANGEABLE
Strip Heater
3940-01-482-15311214-27 INTERCHANGEABLE
Diaphram Block
Carp Industries Corp Dba Carp Coastal Marine & Rv
Cross-Reference Index
Part NumberManufacturer
121427 Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
OT-4822 Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
SE-48-240VAC Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
PCN 121427 PRIMARY Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
MIL-H-22577 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
SE48 Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
Related Parts
5325-00-282-8156INTERCHANGEABLE
EYELET,METALLIC
1259246-18
3020-00-424-2815INTERCHANGEABLE
GUARD,MECHANICAL DRIVE
SE48
4730-00-530-7296INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
7235160
6635-01-091-3281INTERCHANGEABLE
STRIP HEATER
3940-01-482-1531INTERCHANGEABLE
DIAPHRAM BLOCK
1214-27

Frequently Asked Questions

What is NSN 4520-00-079-1792?

NSN 4520-00-079-1792 is a Heating Element,electrical,nonim, manufactured by Chromalox Inc Dba Chromalox Precision Heat and Control, Inc, classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-00-079-1792?

NSN 4520-00-079-1792 has 6 cross-referenced part numbers: 121427 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), OT-4822 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), SE-48-240VAC (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), PCN 121427 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), MIL-H-22577 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.

What NSN replaces 4520-00-079-1792?

There are 5 known substitutes for 4520-00-079-1792: 5325-00-282-8156, 3020-00-424-2815, 4730-00-530-7296 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of PCN 121427?

Key specifications for PCN 121427: Terminal Arrangement Style: IN LINE (TANDEM) AT ONE END; Center to Center Distance Between Mounting Facilities Parallel to Width: 47.000 INCHES NOMINAL IN; Mounting Method Style: SLOT OR HOLE TYPE MOUNTING FACILITY; Length: 45.500 INCHES NOMINAL IN. 27 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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