PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MC45Heating Element,electrical,nonim

Chromalox Inc Dba Chromalox Precision Heat and Control, Inc · NSN 4520-00-445-9934 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-00-445-9934 — this item is cataloged by the U.S. Government under National Stock Number 4520-00-445-9934. Primary manufacturer part number: MC45.
Features
  • Heating Element,electrical,nonim — FSC 4520
  • Frequency in Hertz: 60.0
  • Phase: SINGLE SINGLE VOLTAGE
  • Element Quantity: 1
  • Element Radiation Spectrum: NONINFRARED
  • Voltage in Volts and Current Type: 236.0 AC SINGLE VOLTAGE
  • Maximum Wattage Rating in Watts: 750.0 SECOND VOLTAGE
  • Maximum Wattage Rating in Watts: 500.0 FIRST VOLTAGE
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 4520-00-445-9934, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4520-00-445-9934
Primary Part NumberMC45
Item NameHeating Element,electrical,nonim
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerChromalox Inc Dba Chromalox Precision Heat and Control, Inc
StatusCANCELLED
Frequency in Hertz60.0
PhaseSINGLE SINGLE VOLTAGE
Element Quantity1
Element Radiation SpectrumNONINFRARED
Voltage in Volts and Current Type236.0 AC SINGLE VOLTAGE
Maximum Wattage Rating in Watts750.0 SECOND VOLTAGE
Maximum Wattage Rating in Watts500.0 FIRST VOLTAGE
Body StyleCOIL, PLAIN
Element Connection StyleROUND BAYONET
Outside Diameter5.875 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5330-00-353-8708F600B00443 INTERCHANGEABLE
Gasket
Wisconsin Motors, Llc
7320-00-390-1445MC45 INTERCHANGEABLE
Cam Follower,timing
Insinger Machine Co
5315-00-911-195320912 INTERCHANGEABLE
Pin,shoulder,headless
Eaton Corporation Dba Eaton Inoac
5133-00-988-5699 INTERCHANGEABLE
Drill,twist
5120-01-053-263720912 INTERCHANGEABLE
Key Set,socket Head Screw
Eklind Tool Co
3895-01-068-1994 INTERCHANGEABLE
Flexible Jumper Assembly
4310-01-120-766920-912 INTERCHANGEABLE
Compressor Unit,reciprocating
C&h Distributors, Llc
4720-01-166-311420912 INTERCHANGEABLE
Hose,preformed
Gates Corporation
5355-01-222-270220912 INTERCHANGEABLE
Knob
Jergens Inc Div Tooling Components Division
3040-01-383-2375 INTERCHANGEABLE
Housing,mechanical Drive
Cross-Reference Index
Part NumberManufacturer
3525-30 Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions (USA)
MC45 PRIMARY Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
209-12 Welbilt Corp (USA)
Related Parts
5330-00-353-8708INTERCHANGEABLE
GASKET
F600B00443
7320-00-390-1445INTERCHANGEABLE
CAM FOLLOWER,TIMING
MC45
5315-00-911-1953INTERCHANGEABLE
PIN,SHOULDER,HEADLESS
20912
5133-00-988-5699INTERCHANGEABLE
DRILL,TWIST
5120-01-053-2637INTERCHANGEABLE
KEY SET,SOCKET HEAD SCREW
20912
3895-01-068-1994INTERCHANGEABLE
FLEXIBLE JUMPER ASSEMBLY
4310-01-120-7669INTERCHANGEABLE
COMPRESSOR UNIT,RECIPROCATING
20-912
4720-01-166-3114INTERCHANGEABLE
HOSE,PREFORMED
20912
5355-01-222-2702INTERCHANGEABLE
KNOB
20912
3040-01-383-2375INTERCHANGEABLE
HOUSING,MECHANICAL DRIVE
6635-01-553-0559INTERCHANGEABLE
COUPLANT,ULTRASONIC TEST
20-912
5305-01-567-5008INTERCHANGEABLE
SCREW,MACHINE
352530

Frequently Asked Questions

What is NSN 4520-00-445-9934?

NSN 4520-00-445-9934 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: cancelled.

What are the part numbers for NSN 4520-00-445-9934?

NSN 4520-00-445-9934 has 3 cross-referenced part numbers: 3525-30 (Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions), MC45 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), 209-12 (Welbilt Corp).

What NSN replaces 4520-00-445-9934?

There are 12 known substitutes for 4520-00-445-9934: 5330-00-353-8708, 7320-00-390-1445, 5315-00-911-1953 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MC45?

Key specifications for MC45: Frequency in Hertz: 60.0; Phase: SINGLE SINGLE VOLTAGE; Element Quantity: 1; Element Radiation Spectrum: NONINFRARED. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4520-00-445-9934 still in active supply?

NSN 4520-00-445-9934 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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