4820-01-133-3781

Find complete technical information, availability, and procurement data for: 4820-01-133-3781
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-133-3781

Item Name Code

27565

Assigment Date

06/13/1982 (44 years ago)

straight thru body style, water, salt media for which designed, unable to decode stem material, socket w/brazing ring first end style designator, unthreaded internal pipe first end connection type

Product Characteristics

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

Body Style: straight thru
Stem Material: unable to decode
Media For Which Designed: water, salt
First End Connection Type: unthreaded internal pipe
First End Style Designator: socket w/brazing ring
First End Nominal Pipe Size Accommodated: 4.000 inches
Second End Relationship With First End: identical
Packing Material: unable to decode
Flow Control Device: disk
Flow Control Device Material: unable to decode
End Connection Quantity: 2
Outlet Pressure Range: +50.0 to 100.0 pounds per square inch
Regulation Type: automatic double stage
Valve Stem Design: double seat
Valve Loading Method: spring
Filter: not included
End Item Identification: austin ship class lpd-4 amphibious transport docks. kidd class ddg, spruance class dd 9963), oliver perry class ffg, safeguard class ars.
Temp Rating: 100.0 fahrenheit maximum
Criticality Code Justification: feat
Special Features: weapon system essential
Material: unable to decode
Material Document And Classification: unable to decode

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
30806005	Fluid Pressure Regulating Valve
30806262REVD 50T100PSI	Fluid Pressure Regulating Valve
40399-04 50T 10	Fluid Pressure Regulating Valve
40399-4 50 TO 100PSI	Fluid Pressure Regulating Valve
40399-403	Fluid Pressure Regulating Valve
436AND30806262 50T100 PSI	Fluid Pressure Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-01-133-3781?

The FSCG of the NSN 4820-01-133-3781 is 4820

Does the NSN 4820-01-133-3781 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-01-133-3781 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 4820-01-133-3781 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-133-3781 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 4820-01-133-3781 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Sun, Jun 13, 1982