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.

spring disk loading method, 3b 2nd end thread class, right-hand all ends thread direction, 400.0 fahrenheit single response maximum operating temp, 3a 1st end 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: 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