4820-00-140-9770

Find complete technical information, availability, and procurement data for: 4820-00-140-9770
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for NSN 4820-00-140-9770 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-140-9770

Item Name Code

05488

Assigment Date

12/03/1973 (52 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.

right-hand all ends thread direction, disk flow control device, spring disk loading method, plain (tube) all ends connection style, 2a all ends thread class

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 all ends
Thread Direction: right-hand all ends
Flow Control Device: disk
Disk Loading Method: spring
Connection Style: plain (tube) all ends
Valve Operation Method: automatic
Connection Type: threaded cartridge all ends
Thread Quantity Per Inch: 16 all ends
Nominal Thread Size: 1.875 inches all ends
Special Features: cartridge type
Material: aluminum alloy body
Surface Treatment: anodize
Style Designator: screw-in cartridge
Thread Series Designator: un all ends

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
AB9416-1D20A	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-140-9770?

The FSCG of the NSN 4820-00-140-9770 is 4820

Does the NSN 4820-00-140-9770 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-140-9770 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 4820-00-140-9770 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-140-9770 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 4820-00-140-9770 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Mon, Dec 3, 1973