S1998

View detailed technical data, stock status, and sourcing information for: S1998
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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

4520-00-254-4307

Item Name Code

29427

Assigment Date

01/01/1961 (65 years ago)

8.000 inches nominal overall length, strip element body style, 2 terminal quantity, 1.500 inches nominal width, slot or hole type mounting facility mounting method 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: slot or hole type mounting facility
Body Style: strip element
Terminal Quantity: 2
Width: 1.500 inches nominal
Overall Length: 8.000 inches nominal
Effective Heating Length: 6.500 inches nominal
Element Radiation Spectrum: noninfrared
Element Connection Style: hermetically sealed stud
Terminal Length: 0.562 inches nominal
Terminal Arrangement Style: in line (tandem) at one end
Mounting Facility Length: 0.500 inches nominal
Center To Center Distance Between Mounting Facilities Parallel To Width: 7.000 inches nominal
Mounting Facility Width: 0.312 inches nominal
Hole Or Slot Quantity: 2
Heat Quantity: 1
Watt Density Rating: 11.0 per square inch single voltage
Length: 6.500 inches nominal
Maximum Wattage Rating In Watts: 150.0 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: 120.0 ac single voltage
Phase: single single voltage
Frequency In Hertz: 60.0
Material: steel corrosion resisting sheath
Thread Series Designator: unf stud

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4540-00-277-1639	No Name Available	01/01/1961
4540-00-277-4227	No Name Available	12/12/1971

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
2Z5015-90	Nonim Electrical Heating Element
632628	Nonim Electrical Heating Element
80-5305	Nonim Electrical Heating Element
S1998	Nonim Electrical Heating Element
S477-SE815B	Nonim Electrical Heating Element
SE-815-120VAC-150W	Nonim Electrical Heating Element

FAQs

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

What is the FSCG of the NSN 4520-00-254-4307?

The FSCG of the NSN 4520-00-254-4307 is 4520

Does the NSN 4520-00-254-4307 have a Schedule B code assigned?

Yes, the Schedule B code is 8516790000

Does NSN 4520-00-254-4307 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 4520-00-254-4307 contain precious materials?

Precious metal content is unknown

Does NSN 4520-00-254-4307 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 4520-00-254-4307 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961