HCB

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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

4520-00-203-6305

Item Name Code

29427

Assigment Date

01/01/1963 (63 years ago)

4.750 inches nominal overall length, 1.375 inches nominal outside diameter, medium screw element connection style, noninfrared element radiation spectrum, cartridge, screw base body style

Product Characteristics

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

Body Style: cartridge, screw base
Overall Length: 4.750 inches nominal
Element Radiation Spectrum: noninfrared
Element Connection Style: medium screw
Outside Diameter: 1.375 inches nominal
Heat Quantity: 1
Length: 3.000 inches nominal
Maximum Wattage Rating In Watts: 50.0 single voltage
Element Quantity: 1
Voltage In Volts And Current Type: 120.0 ac single voltage
Phase: single single voltage
Material: copper alloy sheath
Material: magnesium oxide resistance wire embedding/support insulation
Material: nickel and chromium resistance wire

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4540-00-272-8906	No Name Available	02/14/1969

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
99287	Nonim Electrical Heating Element
HCB	Nonim Electrical Heating Element
SCB50	Nonim Electrical Heating Element

FAQs

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

What is the FSCG of the NSN 4520-00-203-6305?

The FSCG of the NSN 4520-00-203-6305 is 4520

Does the NSN 4520-00-203-6305 have a Schedule B code assigned?

Yes, the Schedule B code is 8516790000

Does NSN 4520-00-203-6305 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 4520-00-203-6305 contain precious materials?

Precious metal content is unknown

Does NSN 4520-00-203-6305 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 4520-00-203-6305 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963