4820-01-070-9781

Find complete technical information, availability, and procurement data for: 4820-01-070-9781
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-070-9781

Item Name Code

10958

Assigment Date

01/26/1979 (47 years ago)

A transparent or translucent item that encloses or is placed in front of a light source. Sections may be opaque and may include a holder. Serves as either a replacement unit for a specific type of light, such as light,traffic,vehicular; light,indicator; light,navigational,marine; stop light,vehicular; and lantern,electric; or that portion of a switch (as modified) used as an actuator and having provisions for illumination. See also window,lighting fixture; globe; electric light; and filter (as modified). __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

manual unloader on pressure side and nut furnished items, 20.0 pounds per square inch maximum operating pressure, threaded external boss first end connection type, single connection, straight flow body style, air media for which designed

Product Characteristics

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

Maximum Operating Pressure: 20.0 pounds per square inch
Body Style: single connection, straight flow
Furnished Items: manual unloader on pressure side and nut
Media For Which Designed: air
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: poppet
End Connection Quantity: 1
Disk Loading Method: spring
Opening Pressure Setting: 2.5 pounds per square inch
Valve Venting Design Type: atmospheric
Valve Relief Design Type: pressure and vacuum
Absolute Pressure Setting: 0.5
Material: aluminum alloy 2011 body
Material: aluminum alloy 2011 seat
Material: aluminum alloy flow control device
Material Document And Classification: qq-a-225/3, alloy 2011, t3 fed spec single material response body
Material Document And Classification: qq-a-225/3, alloy 2011, t3 fed spec single material response seat
Surface Treatment: anodize outside
Surface Treatment Document And Classification: mil-a-8625, type 2 mil spec single treatment response outside

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
790RPV2.5P13.5V	Gaseou Pressure Equalizing Valve

FAQs

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

What is the FSCG of the NSN 4820-01-070-9781?

The FSCG of the NSN 4820-01-070-9781 is 4820

Does the NSN 4820-01-070-9781 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-01-070-9781 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 4820-01-070-9781 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-070-9781 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 4820-01-070-9781 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Fri, Jan 26, 1979