2-40005

View detailed technical data, stock status, and sourcing information for: 2-40005
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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

4520-00-657-2256

Item Name Code

29427

Assigment Date

01/01/1961 (65 years ago)

A pliable rubber or composition ring-shaped element, split or jointless (solid) not encased in a metal shell, but having a spring, spreader and/or molded-in reinforcement. It is designed to be pressmounted between fixed and movable or moving parts to form a tight and effective seal.

2 terminal quantity, screw plug or bushing type mounting facility mounting method style, noninfrared element radiation spectrum, finned, tubular, u shaped body style, 23.125 inches nominal overall 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: screw plug or bushing type mounting facility
Body Style: finned, tubular, u shaped
Terminal Quantity: 2
Overall Length: 23.125 inches nominal
Element Radiation Spectrum: noninfrared
Element Connection Style: hermetically sealed stud
Terminal Length: 2.437 inches nominal
Mounting Facility Length: 1.063 inches nominal
Heat Quantity: 1
Length: 19.625 inches nominal
Maximum Wattage Rating In Watts: 300.0 single voltage
Element Quantity: 1
Nominal Thread Size: 0.250 inches stud
Nominal Thread Size: 0.375 inches mounting facility
Thread Quantity: 18.0 per inch mounting facility
Thread Quantity: 28.0 per inch stud
Voltage In Volts And Current Type: 254.0 ac single voltage
Phase: not rated single voltage
Material: nickel and copper sheath
Thread Series Designator: npt mounting facility
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
2-40005	Nonim Electrical Heating Element
7A410G500	Nonim Electrical Heating Element
D40083PC6B	Nonim Electrical Heating Element
T90176	Nonim Electrical Heating Element

FAQs

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

What is the FSCG of the NSN 4520-00-657-2256?

The FSCG of the NSN 4520-00-657-2256 is 4520

Does the NSN 4520-00-657-2256 have a Schedule B code assigned?

Yes, the Schedule B code is 8516790000

Does NSN 4520-00-657-2256 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 4520-00-657-2256 contain precious materials?

Precious metal content is unknown

Does NSN 4520-00-657-2256 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 4520-00-657-2256 was assigned to the Federal Catalog?

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