4520-01-121-2739

Find complete technical information, availability, and procurement data for: 4520-01-121-2739
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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

4520-01-121-2739

Item Name Code

29427

Assigment Date

11/04/1981 (44 years ago)

A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

2 terminal quantity, 6.469 inches nominal width, axial stud type mounting facility mounting method style, 32.000 inches nominal effective heating length, tubular, m shaped body style

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: tubular, m shaped
Terminal Quantity: 2
Width: 6.469 inches nominal
Effective Heating Length: 32.000 inches nominal
Element Radiation Spectrum: noninfrared
Element Connection Style: stud type
Terminal Length: 0.375 inches nominal
Heat Quantity: 1
Watt Density Rating: 20.9 per square inch single voltage
Length: 12.312 inches nominal
Maximum Wattage Rating In Watts: 1000.0 single voltage
Element Quantity: 1
Nominal Thread Size: 0.190 inches stud
Thread Quantity: 32.0 per inch stud
Voltage In Volts And Current Type: 440.0 ac single voltage
Phase: single single voltage
Special Features: finned
Frequency In Hertz: 60.0
Material: steel sheath
Thread Series Designator: unf stud

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
118-056223-010	Nonim Electrical Heating Element

FAQs

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

What is the FSCG of the NSN 4520-01-121-2739?

The FSCG of the NSN 4520-01-121-2739 is 4520

Does the NSN 4520-01-121-2739 have a Schedule B code assigned?

Yes, the Schedule B code is 8516790000

Does NSN 4520-01-121-2739 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 4520-01-121-2739 contain precious materials?

Item does not contain precious metal.

Does NSN 4520-01-121-2739 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 4520-01-121-2739 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Wed, Nov 4, 1981