4820-01-435-7887

Find complete technical information, availability, and procurement data for: 4820-01-435-7887
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-435-7887

Item Name Code

05488

Assigment Date

09/03/1996 (29 years ago)

A control that determines the mode of operation of a synchronizer, electrical.

3b 2nd end thread class, 3a 1st end thread class, 400.0 fahrenheit single response maximum operating temp, spring disk loading method, right-hand all ends 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 Class: 3b 2nd end
Thread Direction: right-hand all ends
Disk Loading Method: spring
Maximum Operating Temp: 400.0 fahrenheit single response
Minimum Operating Temp: -20.0 fahrenheit
Connection Style: flared (tube) 1st end
Connection Style: gasket seal(boss) 2nd end
Valve Operation Method: automatic
Connection Type: threaded external tube 1st end
Connection Type: threaded internal boss 2nd end
Thread Quantity Per Inch: 14 1st end
Adjustable Pressure Range: +231.0 to 285.0 pounds per square inch
Maximum Operating Pressure: 2400.0 pounds per square inch single response
Nominal Thread Size: 0.875 inches all ends
Seat Angle: 37.0 degrees 1st end
Part Name Assigned By Controlling Agency: relief valve
Material: steel comp 316 body
Media For Which Designed: carbon tetrachloride 2nd response
Media For Which Designed: fuel/oil, hydrocarbon 1st response
Media For Which Designed: steam 3rd response
Style Designator: straight thru note: to be used for valve bodies of separable sections.
Thread Series Designator: unj 1st end
Thread Series Designator: unjf 2nd end
Furnished Items And Quantity: 1 locking device

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
5132T1-10TJ L J 231T285PSI	Safety Relief Valve
5132T1-10TJ(L)250	Safety Relief Valve
5132T1-10TJ(L)J	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-435-7887?

The FSCG of the NSN 4820-01-435-7887 is 4820

Does the NSN 4820-01-435-7887 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-435-7887 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 4820-01-435-7887 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-435-7887 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 4820-01-435-7887 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Tue, Sep 3, 1996