4820-01-190-5866

Find complete technical information, availability, and procurement data for: 4820-01-190-5866
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-190-5866

Item Name Code

10958

Assigment Date

09/28/1984 (41 years ago)

A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also valve, safety relief and valve, regulating. Temperature.

external seat for gasket seal first end style designator, gasket and nut and washer furnished items, single connection, straight flow body style, any acceptable media for which designed, threaded external boss first end connection type

Product Characteristics

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

Body Style: single connection, straight flow
Furnished Items: gasket and nut and washer
Media For Which Designed: any acceptable
First End Connection Type: threaded external boss
First End Style Designator: external seat for gasket seal
First End Thread Class: 2a
First End Thread Direction: right-hand
Flow Control Device: any acceptable
End Connection Quantity: 1
Opening Pressure Setting: 3.0 pounds per square inch
Valve Venting Design Type: atmospheric
Absolute Pressure Setting: 3.0
Special Features: humidity indicator included
Material: plastic body
Supplementary Features: appl to aim-9 l&m missile

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
TA440-15-15-R	Gaseou Pressure Equalizing Valve
TA440-15-15R	Gaseou Pressure Equalizing Valve

FAQs

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

What is the FSCG of the NSN 4820-01-190-5866?

The FSCG of the NSN 4820-01-190-5866 is 4820

Does the NSN 4820-01-190-5866 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-01-190-5866 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 4820-01-190-5866 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-190-5866 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 4820-01-190-5866 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Fri, Sep 28, 1984