4820-01-397-5405

Find complete technical information, availability, and procurement data for: 4820-01-397-5405
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-397-5405

Item Name Code

05487

Assigment Date

10/13/1994 (31 years ago)

A circular shaped metal item designed to be connected to a machine or vehicle shaft or wheel and used to retard, stop or prevent motion by the application of pressure exerted by brake(s) or band(s).

poppet flow control device, right-hand all ends thread direction, spring disk loading method, 3a all ends thread class, 125.0 fahrenheit single response maximum operating temp

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 all ends
Thread Direction: right-hand all ends
Flow Control Device: poppet
Disk Loading Method: spring
Maximum Operating Temp: 125.0 fahrenheit single response
Minimum Operating Temp: -30.0 fahrenheit
Connection Style: external seat for gasket seal (boss) all ends
Valve Operation Method: automatic
Connection Type: threaded external boss all ends
Mounting Position: horizontal or vertical
Thread Quantity Per Inch: 20 all ends
Maximum Operating Pressure: 4000.0 pounds per square inch single response
Nominal Thread Size: 0.438 inches all ends
Seat Angle: 37.0 degrees all ends
Special Features: cleaned for nitrogen service iaw mil-c-52211,class e
Material: steel comp 316 overall
Media For Which Designed: air 1st response
Media For Which Designed: nitrogen, gaseous 2nd response
Style Designator: straight thru
Thread Series Designator: unj 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
1828AS117	Check Valve
1828AS117-1	Check Valve
TCVF-0250-SS-M-.50	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-397-5405?

The FSCG of the NSN 4820-01-397-5405 is 4820

Does the NSN 4820-01-397-5405 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-01-397-5405 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 4820-01-397-5405 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-397-5405 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 4820-01-397-5405 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Thu, Oct 13, 1994