4820-00-740-9655

Find complete technical information, availability, and procurement data for: 4820-00-740-9655
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-740-9655

Item Name Code

05488

Assigment Date

01/01/1961 (65 years ago)

A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also bushing, sleeve; spacer, sleeve; and washer (as modified). Excludes:pin, hollow.

integral bonnet attachment method, stem flow control device, inside spring bonnet type, right-hand all ends thread direction, spring disk loading method

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 all ends
Flow Control Device: stem
Bonnet Type: inside spring
Bonnet Attachment Method: integral
Disk Loading Method: spring
Valve Discharge Flow Rate: 50.0 gallons per minute
Connection Style: plain,optional end(pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Adjustable Pressure Range: +800.0 to 1250.0 pounds per square inch
Maximum Operating Pressure: 1250.0 pounds per square inch single response
Nominal Thread Size: 1.250 inches all ends
Material: steel body
Style Designator: angle
Thread Series Designator: npt all ends

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4320-00-342-6537	No Name Available	01/01/1963

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
113429R91	Safety Relief Valve
18110N2	Safety Relief Valve
5204277	Safety Relief Valve
7409655	Safety Relief Valve
915591	Safety Relief Valve
HCF1535	Safety Relief Valve
VR15C	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-740-9655?

The FSCG of the NSN 4820-00-740-9655 is 4820

Does the NSN 4820-00-740-9655 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-740-9655 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 4820-00-740-9655 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-740-9655 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 4820-00-740-9655 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961