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4820-01-061-6539

4820-01-061-6539

Fluid Pressure Regulating Valve

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Official Item Classification

Name: Fluid Pressure Regulating Valve
(NSN) National Stock Number: 4820-01-061-6539
(FSG) Federal Supply Group: 48 Valves
(FSC) Federal Supply Classification: 4820 Nonpowered Valves
(INC) Item Name Code: 27565
(FIIG) Federal Item Identification Guide: A21100
Date: 06/26/1978 (48 years ago)

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

Specs & Compatibility

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

Regulatory Compliance

Precious Metals Indicator

U

Precious metal content is unknown

Criticality Code

X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator

N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0027565

Related Hardware Products

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

Frequently Asked Questions

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