4820-01-545-7166

Find complete technical information, availability, and procurement data for: 4820-01-545-7166
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-545-7166

Item Name Code

05488

Assigment Date

11/22/2006 (19 years ago)

A metallic or nonmetallic item which is rigid, flat and generally smooth. Its thickness is small in comparison to its length and width. It is designed for mounting one or more items and may have drilled or threaded holes or other facilities for mounting to a supporting object or surface. See support,as modified. Do not use if a more specific name applies.

2a 1st end thread class, right-hand 1st end thread direction, poppet flow control device, spring disk loading method, 0.2 gallons per minute valve discharge flow rate

Product Characteristics

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

Thread Class: 2a 1st end
Thread Direction: right-hand 1st end
Flow Control Device: poppet
Disk Loading Method: spring
Valve Discharge Flow Rate: 0.2 gallons per minute
Maximum Operating Temp: 200.0 fahrenheit single response
Minimum Operating Temp: -50.0 fahrenheit
End Item Identification: larc v
Valve Operation Method: automatic
Connection Type: threaded cartridge 1st end
Features Provided: valve stem lock shield
Maximum Operating Pressure: 5000.0 pounds per square inch single response
Nominal Thread Size: 0.875 inches 1st end
Opening Pressure Setting: 1500.0 pounds per square inch
Part Name Assigned By Controlling Agency: pilot-operated spool type relief valve
Special Features: tamper resistant cap; internal screen; uses d-ring sk10-2
Material: steel overall
Media For Which Designed: oil single response
Surface Treatment: chromate zinc
Surface Treatment Document And Classification: yellow zinc chromate mfr ref single treatment response
Style Designator: drop-in cartridge
Thread Series Designator: unf 1st end

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-460-7272	No Name Available	11/01/2019

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
12364610-10	Safety Relief Valve
RAH101T30	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-545-7166?

The FSCG of the NSN 4820-01-545-7166 is 4820

Does the NSN 4820-01-545-7166 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-545-7166 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 4820-01-545-7166 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-545-7166 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 4820-01-545-7166 was assigned to the Federal Catalog?

It was assigned 19 years ago, on Wed, Nov 22, 2006