B77707

View detailed technical data, stock status, and sourcing information for: B77707
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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

4520-01-048-4299

Item Name Code

29427

Assigment Date

09/25/1977 (48 years ago)

An electrical device in the form of a resistor consisting of a resistance wire, an insulating material, and may be sheathed. Includes infrared elements. It is designed to transform electrical current into heat. It may include an automatic control to regulate the amount of heat generated.

2 terminal quantity, axial stud type mounting facility mounting method style, 26.750 inches nominal overall length, finned, tubular, u shaped body style, 25.500 inches nominal effective heating 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: axial stud type mounting facility
Body Style: finned, tubular, u shaped
Terminal Quantity: 2
Overall Length: 26.750 inches nominal
Effective Heating Length: 25.500 inches nominal
Element Radiation Spectrum: noninfrared
Element Connection Style: stud type
Terminal Length: 0.562 inches nominal
Mounting Facility Length: 0.437 inches nominal
Heat Quantity: 1
Length: 21.000 inches nominal
Maximum Wattage Rating In Watts: 4000.0 single voltage
Element Quantity: 1
Nominal Thread Size: 0.190 inches mounting facility
Thread Quantity: 32.0 per inch mounting facility
Voltage In Volts And Current Type: 230.0 ac single voltage
Phase: single single voltage
Material: steel sheath
Thread Series Designator: unf mounting facility

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
B77707	Nonim Electrical Heating Element
P-3286	Nonim Electrical Heating Element

FAQs

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

What is the FSCG of the NSN 4520-01-048-4299?

The FSCG of the NSN 4520-01-048-4299 is 4520

Does the NSN 4520-01-048-4299 have a Schedule B code assigned?

Yes, the Schedule B code is 8516790000

Does NSN 4520-01-048-4299 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 4520-01-048-4299 contain precious materials?

Precious metal content is unknown

Does NSN 4520-01-048-4299 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 4520-01-048-4299 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Sun, Sep 25, 1977