4820-01-148-1736

Find complete technical information, availability, and procurement data for: 4820-01-148-1736
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-148-1736

Item Name Code

27565

Assigment Date

03/01/1983 (43 years ago)

straight thru body style, external pilot valve furnished items, 4.625 inches nominal first end flange outside diameter, steam media for which designed, unable to decode stem material

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: 4.625 inches nominal
Body Style: straight thru
Stem Material: unable to decode
Furnished Items: external pilot valve
Media For Which Designed: steam
First End Connection Type: raised face flange
First End Style Designator: raised
First End Raised Face Height: 0.250 inches nominal
First End Raised Face Diameter: 1.688 inches nominal
First End Flange Shape Style: round w/ bolt holes
First End Flange Thickness: 0.625 inches nominal
First End Bolt Hole Quantity: 4
First End Bolt Hole Diameter: 0.750 inches nominal
First End Bolt Circle Diameter: 3.250 inches nominal
Second End Relationship With First End: identical
Face To Face Distance: 8.500 inches nominal
Flow Control Device: disk
Flow Control Device Material: unable to decode
End Connection Quantity: 2
Regulation Type: 1st stage manual, 2nd stage automatic
Manual Control Method: wheel
Valve Loading Method: spring
Remote Actuation Method: diaphragm
Filter: not included
Temp Rating: 550.0 fahrenheit maximum
Special Features: with third connection,1/2 in.,900 lb asa b16.5 flange,with four 0.875 in. dia bolt holes equally spaced on a 3.250 in. dia bolt circle
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
21738N	Fluid Pressure Regulating Valve
21738N CTHVNS-2 3/4IN	Fluid Pressure Regulating Valve
CTHVNS-2 21738N 3/4IN	Fluid Pressure Regulating Valve
Y501830210	Fluid Pressure Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-01-148-1736?

The FSCG of the NSN 4820-01-148-1736 is 4820

Does the NSN 4820-01-148-1736 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-01-148-1736 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 4820-01-148-1736 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-148-1736 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 4820-01-148-1736 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Tue, Mar 1, 1983