4820-01-125-7539

Find complete technical information, availability, and procurement data for: 4820-01-125-7539
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-125-7539

Item Name Code

16989

Assigment Date

02/01/1982 (44 years ago)

An item designed to pass all frequencies below a specified frequency. Excludes:a single inductance, a single capacitance, or a single resistance. See coil (as modified); reactor; capacitor (as modified); and resistor (as modified).

external seat for gasket seal (boss) 1st end connection style, 160.0 fahrenheit single response maximum operating temp, 3a 1st end thread class, poppet flow control device, right-hand 1st end thread direction

Product Characteristics

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

Thread Class: 3a 1st end
Thread Direction: right-hand 1st end
Flow Control Device: poppet
Maximum Operating Temp: 160.0 fahrenheit single response
Connection Style: external seat for gasket seal (boss) 1st end
Valve Operation Method: manual
Connection Type: threaded external boss 1st end
Thread Quantity Per Inch: 12 1st end
Maximum Operating Pressure: 60.0 pounds per square inch 1st response
Nominal Thread Size: 1.062 inches 1st end
Material: aluminum alloy 2024 body
Material: rubber packing
Material: steel comp 303 flow control device
Material Document And Classification: mil-r-3533, type 2, grade a mil spec single material response packing
Media For Which Designed: fuel/oil, hydrocarbon single response
Style Designator: angle
Thread Series Designator: unj 1st end

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
68D-20	Poppet Drain Cock

FAQs

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

What is the FSCG of the NSN 4820-01-125-7539?

The FSCG of the NSN 4820-01-125-7539 is 4820

Does the NSN 4820-01-125-7539 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-125-7539 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 4820-01-125-7539 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-125-7539 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 4820-01-125-7539 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Mon, Feb 1, 1982