MT33A

View detailed technical data, stock status, and sourcing information for: MT33A
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Federal Supply Group

Plumbing, Heating, and Waste Disposal Equipment

Federal Supply Classification

4520 Space and Water Heating Equipment

National Stock Number

4520-01-011-3378

Item Name Code

11327

Assigment Date

10/20/1975 (50 years ago)

An electrical device in the form of a resistor consisting of a resistance wire, an insulating material, and a sheath. It is designed to transform electrical current into heat while immersed in a liquid to be heated or in contact with materials to be melted. It may include an automatic control to regulate the amount of heat generated.

4 terminal quantity, tubular, screw type body style, 7.375 inches nominal effective heating length, screw plug or bushing type mounting facility mounting method style, 12.812 inches nominal overall length

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Mounting Method Style: screw plug or bushing type mounting facility
Body Style: tubular, screw type
Terminal Quantity: 4
Overall Length: 12.812 inches nominal
Effective Heating Length: 7.375 inches nominal
Element Radiation Spectrum: noninfrared
Element Connection Style: terminal screw
Mounting Facility Length: 1.562 inches nominal
Heat Quantity: 1
Watt Density Rating: 47.0 per square inch single voltage
Length: 7.375 inches nominal
Maximum Wattage Rating In Watts: 3000.0 single voltage
Element Quantity: 1
Nominal Thread Size: 0.164 inches screw
Nominal Thread Size: 2.500 inches mounting facility
Thread Quantity: 32.0 per inch screw
Thread Quantity: 8.0 per inch mounting facility
Voltage In Volts And Current Type: 480.0 ac single voltage
Phase: three single voltage
Frequency In Hertz: 60.0
Material: copper sheath
Thread Series Designator: npt mounting facility
Thread Series Designator: unc screw

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
MSS91344-1	Immer Electrical Heating Element
MSS91344-2	Immer Electrical Heating Element
MT33A	Immer Electrical Heating Element
PCN191441	Immer Electrical Heating Element

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 4520-01-011-3378?

The FSCG of the NSN 4520-01-011-3378 is 4520

Does the NSN 4520-01-011-3378 have a Schedule B code assigned?

Yes, the Schedule B code is 8516909500

Does NSN 4520-01-011-3378 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 4520-01-011-3378 contain precious materials?

Precious metal content is unknown

Does NSN 4520-01-011-3378 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 4520-01-011-3378 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Mon, Oct 20, 1975