4820-01-089-7143

Find complete technical information, availability, and procurement data for: 4820-01-089-7143
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-089-7143

Item Name Code

05488

Assigment Date

02/06/1980 (46 years ago)

An item designed to suppress undesired (interfering) frequencies and have a minimal effect on the desired frequencies when inserted in an electrical power circuit. Excludes:items which consist of a single capacitor, inductor, resistor, or devices consisting of only two or more circuit elements of the same basic name. Excludes:filter, low pass and suppressor, ignition interference. For items designed to be inserted in a line which is primarily intended to carry high frequency waves modulated with signals, such as antenna lead-in, see filter, band suppression and filter, band pass. See also limiter, electrical noise.

disk flow control device, spring disk loading method, right-hand all ends thread direction, plain (pipe) all ends connection style, mars class afs end item identification

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: disk
Disk Loading Method: spring
End Item Identification: mars class afs
Connection Style: plain (pipe) all ends
Connection Style: plain,optional end(pipe) 2nd end
Valve Operation Method: automatic
Connection Type: threaded external pipe 1st end
Connection Type: threaded internal pipe 2nd end
Nominal Thread Size: 0.250 inches all ends
Opening Pressure Setting: 875.0 pounds per square inch
Material: copper alloy overall
Media For Which Designed: air single response
Style Designator: angle
Thread Series Designator: npt 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
103DP	Safety Relief Valve
103DP 1-2X3-8IN 875PSI	Safety Relief Valve
1447-05	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-089-7143?

The FSCG of the NSN 4820-01-089-7143 is 4820

Does the NSN 4820-01-089-7143 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-089-7143 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 4820-01-089-7143 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-089-7143 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 4820-01-089-7143 was assigned to the Federal Catalog?

It was assigned 46 years ago, on Wed, Feb 6, 1980