PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MT0-303E-1-480VACHeating Element,electrical,immer

Chromalox Inc Dba Chromalox Precision Heat and Control, Inc · NSN 4540-01-247-2302 · FSC 4540 · No Item Name Available
Verified by PartsTable
NSN 4540-01-247-2302 — this item is cataloged by the U.S. Government under National Stock Number 4540-01-247-2302. Primary manufacturer part number: MT0-303E-1-480VAC.
Features
  • Heating Element,electrical,immer — FSC 4540
  • Element Quantity: 3
  • Conduit Opening Size: 1.062 INCHES NOMINAL IN
  • Length: 24.625 INCHES NOMINAL IN
  • Frequency in Hertz: 60.0
  • Phase: THREE SINGLE VOLTAGE
  • Material: STEEL SHEATH
  • Element Connection Style: TERMINAL SCREW
Applications
  • Applications requiring Steel Sheath construction
General Description

The Heating Element,electrical,immer, cataloged under National Stock Number 4540-01-247-2302, is classified within Federal Supply Class 4540 (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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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
NSN4540-01-247-2302
Primary Part NumberMT0-303E-1-480VAC
Item NameHeating Element,electrical,immer
FSC / FSG4540 / 45 — No Item Name Available
ManufacturerChromalox Inc Dba Chromalox Precision Heat and Control, Inc
StatusACTIVE
Element Quantity3
Conduit Opening Size1.062 INCHES NOMINAL IN
Length24.625 INCHES NOMINAL IN
Frequency in Hertz60.0
PhaseTHREE SINGLE VOLTAGE
MaterialSTEEL SHEATH
Element Connection StyleTERMINAL SCREW
Heat Quantity1
Terminal Quantity8
Voltage in Volts and Current Type480.0 AC SINGLE VOLTAGE
Body StyleSCREW TYPE
Element Radiation SpectrumNONINFRARED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5940-00-557-4343 INTERCHANGEABLE
Terminal,lug
5815-01-112-1848324048 INTERCHANGEABLE
Pad,right Side
Telemechanics Inc
5940-01-579-4890165517-2 INTERCHANGEABLE
Terminal,lug
Lockheed Martin Corp
Cross-Reference Index
Part NumberManufacturer
MT0-303E-1-480VAC Chromalox, Inc. Div Chromalox (USA)
324048 Chromalox, Inc. Div Chromalox (USA)
MT0-303E-1-480VAC PRIMARY Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
324048 Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
Related Parts
5940-00-557-4343INTERCHANGEABLE
TERMINAL,LUG
5815-01-112-1848INTERCHANGEABLE
PAD,RIGHT SIDE
324048
5940-01-579-4890INTERCHANGEABLE
TERMINAL,LUG
165517-2

Frequently Asked Questions

What is NSN 4540-01-247-2302?

NSN 4540-01-247-2302 is a Heating Element,electrical,immer, manufactured by Chromalox Inc Dba Chromalox Precision Heat and Control, Inc, classified under FSC 4540 (No Item Name Available). Status: active.

What are the part numbers for NSN 4540-01-247-2302?

NSN 4540-01-247-2302 has 4 cross-referenced part numbers: MT0-303E-1-480VAC (Chromalox, Inc. Div Chromalox), 324048 (Chromalox, Inc. Div Chromalox), MT0-303E-1-480VAC (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), 324048 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc).

What NSN replaces 4540-01-247-2302?

There are 3 known substitutes for 4540-01-247-2302: 5940-00-557-4343, 5815-01-112-1848, 5940-01-579-4890. Verify interchangeability with system specifications before substitution.

What are the specifications of MT0-303E-1-480VAC?

Key specifications for MT0-303E-1-480VAC: Element Quantity: 3; Conduit Opening Size: 1.062 INCHES NOMINAL IN; End Item Identification: USED ON RESERVOIR COMPONENT ASSY ABOARD 210 FT WMEC COAST GUARD VESSELS FT; Length: 24.625 INCHES NOMINAL IN. 14 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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