4820-01-061-6539

Find complete technical information, availability, and procurement data for: 4820-01-061-6539
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-061-6539

Item Name Code

27565

Assigment Date

06/26/1978 (48 years ago)

4.250 inches nominal second end flange outside diameter, straight thru body style, 4.880 inches nominal first end flange outside diameter, unable to decode stem material, water media for which designed

Product Characteristics

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

First End Flange Outside Diameter: 4.880 inches nominal
Second End Flange Outside Diameter: 4.250 inches nominal
Body Style: straight thru
Stem Material: unable to decode
Media For Which Designed: water
First End Connection Type: recessed flange
First End Style Designator: recessed
First End Recess Diameter: 2.000 inches nominal
First End Recess Depth: 0.250 inches nominal
First End Flange Shape Style: round w/ bolt holes
First End Flange Thickness: 0.250 inches nominal
First End Bolt Hole Quantity: 4
First End Bolt Hole Diameter: 0.750 inches nominal
First End Bolt Circle Diameter: 3.500 inches nominal
Second End Relationship With First End: not identical
Second End Connection Type: raised face flange
Second End Style Designator: raised
Second End Raised Face Height: 0.060 inches nominal
Second End Raised Face Diameter: 2.000 inches nominal
Second End Flange Shape Style: round w/ bolt holes
Second End Flange Thickness: 0.060 inches nominal
Second End Bolt Hole Quantity: 4
Second End Bolt Hole Diameter: 0.620 inches nominal
Second End Bolt Circle Diameter: 3.120 inches nominal
Face To Face Distance: 9.438 inches nominal
Packing Material: unable to decode
Flow Control Device: disk
Flow Control Device Material: unable to decode
End Connection Quantity: 2
Renewable Seat Ring Type: threaded
Regulation Type: automatic single stage
Valve Stem Design: single seat
Valve Loading Method: spring
Remote Actuation Method: diaphragm
Maximum Inlet Pressure Rating: 100.0 pounds per square inch
Outlet Pressure Setting: 96.0 pounds per square inch
Filter: not included
Special Features: controls back pressure
Material: unable to decode
Material Document And Classification: unable to decode
Specification/Standard Data: 81349-mil-v-20065a government specification
Nondefinitive Spec/Std Data: b type and b class

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
40321-003	Fluid Pressure Regulating Valve
72296	Fluid Pressure Regulating Valve
MIL-V-20065A	Fluid Pressure Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-01-061-6539?

The FSCG of the NSN 4820-01-061-6539 is 4820

Does the NSN 4820-01-061-6539 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-01-061-6539 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 4820-01-061-6539 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-061-6539 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 4820-01-061-6539 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Mon, Jun 26, 1978