3460-41-11-100

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-168-1905

Item Name Code

05488

Assigment Date

09/27/1968 (57 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.

threaded bonnet attachment method, inside spring bonnet type, poppet flow control device, spring disk loading method, right-hand 1st end thread direction

Product Characteristics

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

Thread Direction: right-hand 1st end
Flow Control Device: poppet
Bonnet Type: inside spring
Bonnet Attachment Method: threaded
Disk Loading Method: spring
Connection Style: plain (pipe) 1st end
Valve Operation Method: automatic
Connection Type: threaded external pipe 1st end
Maximum Operating Pressure: 100.0 pounds per square inch single response
Nominal Thread Size: 0.125 inches 1st end
Opening Pressure Setting: 105.0 pounds per square inch
Material: steel comp 303 overall
Material Document And Classification: mil-s-7720,com+303,conda mil spec all material responses overall
Style Designator: straight thru note: to be used for valve bodies of separable sections.
Thread Series Designator: npt 1st end

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
6685-00-934-8632	No Name Available	09/08/1969

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
3460-150-100	Safety Relief Valve
3460-41-11-100	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-168-1905?

The FSCG of the NSN 4820-00-168-1905 is 4820

Does the NSN 4820-00-168-1905 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-168-1905 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 4820-00-168-1905 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-168-1905 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 4820-00-168-1905 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Fri, Sep 27, 1968