4820-00-957-5639

Find complete technical information, availability, and procurement data for: 4820-00-957-5639
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-957-5639

Item Name Code

27565

Assigment Date

01/01/1962 (64 years ago)

air media for which designed, threaded internal pipe first end connection type, unable to decode stem material, plain first end style designator, straight thru body style

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: air
First End Connection Type: threaded internal pipe
First End Style Designator: plain
First End Thread Size And Series/Type Designator: unable to decode
First End Thread Direction: right-hand
Second End Relationship With First End: identical
Flow Control Device: disk
Flow Control Device Material: unable to decode
End Connection Quantity: 2
Renewable Seat Ring Type: pressed-in
Mounting Facility: clamp
Regulation Type: manual single stage
Manual Control Method: tee handle
Valve Stem Design: single seat
Valve Loading Method: spring
Maximum Inlet Pressure Rating: 250.0 pounds per square inch
Filter: not included
End Item Identification: 6640-00-538-2736
Temp Rating: 175.0 fahrenheit maximum
Material: 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
07R315AB/P781643	Fluid Pressure Regulating Valve
07R315AC/P781643	Fluid Pressure Regulating Valve
07R321AB	Fluid Pressure Regulating Valve
07R321AC	Fluid Pressure Regulating Valve
1-088	Fluid Pressure Regulating Valve
1-089	Fluid Pressure Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-00-957-5639?

The FSCG of the NSN 4820-00-957-5639 is 4820

Does the NSN 4820-00-957-5639 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-00-957-5639 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 4820-00-957-5639 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-957-5639 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 4820-00-957-5639 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962