4820-01-439-3434

Find complete technical information, availability, and procurement data for: 4820-01-439-3434
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-439-3434

Item Name Code

05487

Assigment Date

12/05/1996 (29 years ago)

A resistor whose ohmic value cannot be adjusted or varied. The resistance element consists of either a thin layer of conductive material, containing either binders or insulating materials, deposited on an insulated form; or an alloy of metal and ceramic materials, usually fused to an insulated form. Opposition to the flow of current is an inherent property of the materials used and is manifest by the heat dissipation in the resistor. See also attenuator, fixed and resistor, fixed, composition. Excludes:carbon composition type resistors.

weight disk loading method, right-hand all ends thread direction, 212.0 fahrenheit single response maximum operating temp, -4.0 fahrenheit minimum operating temp, 2b 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: 2b all ends
Thread Direction: right-hand all ends
Disk Loading Method: weight
Maximum Operating Temp: 212.0 fahrenheit single response
Minimum Operating Temp: -4.0 fahrenheit
End Item Identification: strategic sealift conversion ships class
Connection Style: gasket seal (boss) all ends
Valve Operation Method: automatic
Connection Type: threaded internal boss all ends
Mounting Position: horizontal or vertical
Thread Quantity Per Inch: 12 all ends
Maximum Operating Pressure: 5000.0 pounds per square inch single response
Nominal Thread Size: 1.875 inches all ends
Opening Pressure Setting: 7.0 pounds per square inch
Material: steel body
Media For Which Designed: hydraulic fluid, mineral base 1st response
Media For Which Designed: hydraulic fluid, phosphate-ester base 2nd response
Style Designator: straight thru
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
RV30-1.1/12-1-1/2	Check Valve
RV30-1.1/12P	Check Valve
RV30-1.1/12V	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-439-3434?

The FSCG of the NSN 4820-01-439-3434 is 4820

Does the NSN 4820-01-439-3434 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-01-439-3434 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 4820-01-439-3434 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-439-3434 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 4820-01-439-3434 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Thu, Dec 5, 1996