4520-01-253-8531

Find complete technical information, availability, and procurement data for: 4520-01-253-8531
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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

4520-01-253-8531

Item Name Code

29427

Assigment Date

04/26/1987 (39 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

noninfrared element radiation spectrum, standard element body style, 6.000 inches nominal width, 2 terminal quantity, connector plug element connection 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: standard element
Terminal Quantity: 2
Width: 6.000 inches nominal
Element Radiation Spectrum: noninfrared
Element Connection Style: connector plug
Heat Quantity: 1
Length: 9.000 inches nominal
Maximum Wattage Rating In Watts: 60.0 single voltage
Element Quantity: 1
Voltage In Volts And Current Type: 120.0 ac single voltage
Phase: single single voltage
Frequency In Hertz: 60.0
Material: rubber synthetic resistance wire embedding/support insulation

FAQs

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

What is the FSCG of the NSN 4520-01-253-8531?

The FSCG of the NSN 4520-01-253-8531 is 4520

Does the NSN 4520-01-253-8531 have a Schedule B code assigned?

Yes, the Schedule B code is 8516790000

Does NSN 4520-01-253-8531 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 4520-01-253-8531 contain precious materials?

Item does not contain precious metal.

Does NSN 4520-01-253-8531 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 4520-01-253-8531 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Sun, Apr 26, 1987