20SE

View detailed technical data, stock status, and sourcing information for: 20SE
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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

4520-00-151-6753

Item Name Code

07180

Assigment Date

10/18/1971 (54 years ago)

A unit specifically designed for heating water by a direct fired method, utilizing electric heating element(s).

single throw switch type, 150.0 pounds per square inch maximum operating pressure, 18.250 inches nominal overall diameter, single heating element type, 24.750 inches nominal overall height

Product Characteristics

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

Maximum Operating Pressure: 150.0 pounds per square inch
Heating Element Type: single
Overall Height: 24.750 inches nominal
Overall Diameter: 18.250 inches nominal
Switch Type: single throw
Insulated Feature: included
Heating Capacity Per Hour: 8.2 gallons
Thermostatic Switch: included
Tank Capacity: unable to decode
Heating Element Wattage Rating: 200.000 single
Special Features: outside surface treatment: porcelain coated
Material: steel
Surface Treatment: glass fiber inside
Nondefinitive Spec/Std Data: a group and 1 series and 4 type and 20 size and rd model

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4520-00-171-2734	No Name Available	02/01/2000

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
20SE	Electric Water Heater
81VP20S	Electric Water Heater
PR0E20-1-RH-POU	Electric Water Heater
W-H-196J	Electric Water Heater

FAQs

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

What is the FSCG of the NSN 4520-00-151-6753?

The FSCG of the NSN 4520-00-151-6753 is 4520

Does the NSN 4520-00-151-6753 have a Schedule B code assigned?

Yes, the Schedule B code is 8516100040

Does NSN 4520-00-151-6753 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 4520-00-151-6753 contain precious materials?

Item does not contain precious metal.

Does NSN 4520-00-151-6753 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 4520-00-151-6753 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Mon, Oct 18, 1971