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25-5737P Fluid Pressure Regulating Valve

4820-00-266-9530

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Official Item Classification

Name
Fluid Pressure Regulating Valve
Part Number
25-5737P
(NSN) National Stock Number
4820-00-266-9530
(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
01/01/1961 (65 years ago)

water, fresh media for which designed, external pilot valve furnished items, 5.563 inches nominal first end flange outside diameter, unable to decode stem material, straight thru body style

Specs & Compatibility

First End Flange Outside Diameter

5.563 inches nominal

Body Style

straight thru

Stem Material

unable to decode

Furnished Items

external pilot valve

Media For Which Designed

water, fresh

First End Connection Type

plain face flange

First End Style Designator

plain

First End Flange Shape Style

round w/ bolt holes

First End Flange Thickness

0.250 inches nominal

First End Bolt Hole Quantity

6

First End Bolt Hole Diameter

0.563 inches nominal

First End Bolt Circle Diameter

4.438 inches nominal

Second End Relationship With First End

identical

Face To Face Distance

8.938 inches nominal

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

double seat

Valve Loading Method

spring

Remote Actuation Method

diaphragm

Maximum Inlet Pressure Rating

125.0 pounds per square inch

Filter

not included

Special Features

2 in. valve size

Material

unable to decode

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

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Frequently Asked Questions

What is the FSCG of the NSN 4820-00-266-9530?
The FSCG of the NSN 4820-00-266-9530 is 4820
Does the NSN 4820-00-266-9530 have a Schedule B code assigned?
Yes, the Schedule B code is 8481809015
Does NSN 4820-00-266-9530 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 4820-00-266-9530 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-266-9530 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 4820-00-266-9530 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961