4520-01-339-7773

Find complete technical information, availability, and procurement data for: 4520-01-339-7773
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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

4520-01-339-7773

Item Name Code

17014

Assigment Date

05/30/1991 (35 years ago)

A device capable of producing heat from gas, liquid fuel, or an electrical heating element designed for permanent installation in sheet metal ducts of a forced air circulating system. It consists of (1) a finned, steel burner tube, a combustion air blower, a control panel, and a constant level fuel supply system or (2) a device having a heating element which when connected to an electrical source, directly imparts heat. It may be provided with a flanged outer casing to facilitate mounting in planned or existing duct work. Circulation of the heated air is achieved by use of a blower or fan not integral with the heating unit.

11.500 inches duct width, ventilation duct mounting type, 11.000 inches duct height, air heat medium type, 8.000 inches nominal width

Product Characteristics

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

Mounting Type: ventilation duct
Heat Medium Type: air
Duct Height: 11.000 inches
Duct Width: 11.500 inches
Width: 8.000 inches nominal
Current Type: ac
Depth: 5.750 inches nominal
Operating Control Type: thermostatic
Current Rating In Amps: 4.7
Heating Element Type: electric nonimmersion
Inclosure Material: steel corrosion resisting
Heat Delivery Rate: 12322.8 british thermal unit
Voltage In Volts: 440.0
Phase: three
Special Features: control box size rcbv 12x18-430-3(1stg)
Frequency In Hertz: 60.0
Height: 18.000 inches nominal

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
VDHR 18X8-1(43. 6-3)-3	Stationary Duct Type Heater
VDHR18X8-1(43.6-3)-3	Stationary Duct Type Heater

FAQs

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

What is the FSCG of the NSN 4520-01-339-7773?

The FSCG of the NSN 4520-01-339-7773 is 4520

Does the NSN 4520-01-339-7773 have a Schedule B code assigned?

Yes, the Schedule B code is 7322900000

Does NSN 4520-01-339-7773 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 4520-01-339-7773 contain precious materials?

Item does not contain precious metal.

Does NSN 4520-01-339-7773 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 4520-01-339-7773 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Thu, May 30, 1991