4820-00-273-9757

Find complete technical information, availability, and procurement data for: 4820-00-273-9757
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-273-9757

Item Name Code

05488

Assigment Date

01/01/1963 (63 years ago)

A resistor whose ohmic value cannot be adjusted or varied. The resistance element consists of either a thin layer of conductive material, containing either binders or insulating materials, deposited on an insulated form; or an alloy of metal and ceramic materials, usually fused to an insulated form. Opposition to the flow of current is an inherent property of the materials used and is manifest by the heat dissipation in the resistor. See also attenuator, fixed and resistor, fixed, composition. Excludes:carbon composition type resistors.

disk flow control device, round with holes 1st end flange shape, 425.0 fahrenheit single response maximum operating temp, automatic valve operation method, 6 1st end bolt hole quantity

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Flow Control Device: disk
Bolt Hole Quantity: 6 1st end
Maximum Operating Temp: 425.0 fahrenheit single response
Valve Operation Method: automatic
Flange Shape: round with holes 1st end
Connection Type: flange 1st end
Valve Size: 2.000 inches
Maximum Operating Pressure: 100.0 pounds per square inch single response
Opening Pressure Setting: 2.0 pounds per square inch
Bolt Hole Nominal Diameter: 0.562 inches 1st end
Bolt Circle Nominal Diameter: 4.437 inches 1st end
Flange Face Design: plain 1st end
Material: copper alloy body
Media For Which Designed: steam single response
Style Designator: angle

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
2LP B135(SEC)	Safety Relief Valve
5S1280ALT4	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-273-9757?

The FSCG of the NSN 4820-00-273-9757 is 4820

Does the NSN 4820-00-273-9757 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-273-9757 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 4820-00-273-9757 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-273-9757 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 4820-00-273-9757 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963