4820-01-174-1158

Find complete technical information, availability, and procurement data for: 4820-01-174-1158
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-174-1158

Item Name Code

05488

Assigment Date

03/14/1984 (42 years ago)

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.

1.000 inches 1st end nominal pipe size accommodated, zzzy criticality code justification, material will be in accordance with ships parts control center activity hx quality control,manufacturing and testing specifications reference number differentiating characteristics, +401.0 to 500.0 pounds per square inch adjustable pressure range

Product Characteristics

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

Nominal Pipe Size Accommodated: 1.000 inches 1st end
Adjustable Pressure Range: +401.0 to 500.0 pounds per square inch
Criticality Code Justification: zzzy
Reference Number Differentiating Characteristics: material will be in accordance with ships parts control center activity hx quality control,manufacturing and testing specifications

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
2020600Y51M(SPCLN)	Safety Relief Valve
20206Y51M(SPCLN)	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-174-1158?

The FSCG of the NSN 4820-01-174-1158 is 4820

Does the NSN 4820-01-174-1158 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-174-1158 require demilitarization?

Usml or ccl military items - demil required. Item managers,, equipment specialists, or product specialists must furnish special demilinstructions. (note 3).

Does NSN 4820-01-174-1158 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-174-1158 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 4820-01-174-1158 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Wed, Mar 14, 1984