4820-01-447-9211

Find complete technical information, availability, and procurement data for: 4820-01-447-9211
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-447-9211

Item Name Code

05488

Assigment Date

08/16/1997 (28 years ago)

"a device with means other than fuses for automatically opening the circuit in which it is installed when the current varies from the predetermined value for which the device is set. May include provisions for manual operation. At least one set of contacts must be in series with the actuating element(s). A combination of semiconductor and passive devices may be used in lieu of contacts. For automatically operated items in which the actuating (tripping) element and contacts are not in series, see relay (as modified). For items which are operated both manually and automatically but the actuating elements and contact are not in series, see relay-switch. Excludes:circuit breaker box and magneto "breaker" assemblies. See also switch (as modified); and controller."

right-hand all ends thread direction, plain (pipe) all ends connection style, poppet flow control device, strategic sealift conversion ships class end item identification, automatic valve operation method

Product Characteristics

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

Thread Direction: right-hand all ends
Flow Control Device: poppet
End Item Identification: strategic sealift conversion ships class
Connection Style: plain (pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded external pipe all ends
Nominal Thread Size: 0.125 inches all ends
Opening Pressure Setting: 8.0 pounds per square inch
Material: rubber polymethylene-perfluoroalkylene class fkm seat
Material: steel comp 303 or steel comp 416 flow control device
Material: steel comp 303 body
Material Document And Classification: mil-r-25897 class 1 mil spec single material response seat
Style Designator: angle
Thread Series Designator: anpt 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
3150143-2	Safety Relief Valve
647B-1-1/8-28	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-447-9211?

The FSCG of the NSN 4820-01-447-9211 is 4820

Does the NSN 4820-01-447-9211 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-447-9211 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 4820-01-447-9211 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-447-9211 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 4820-01-447-9211 was assigned to the Federal Catalog?

It was assigned 28 years ago, on Sat, Aug 16, 1997