40053-902

View detailed technical data, stock status, and sourcing information for: 40053-902
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-270-4313

Item Name Code

05492

Assigment Date

01/06/1988 (38 years ago)

A valve designed to automatically maintain within close limits a predetermined outlet pressure which may be adjustable within a specified range regardless of the higher fluctuating or constant inlet pressure. It is designed for use with compressed gas(es) and various liquids and may include gauges. It may be inline or cartridge (manifold) design. Excludes:regulator, pressure, medical gas administration apparatus; regulator, oxygen, barometric continuous flow; regulator, oxygen demand; regulator, oxygen diluter demand; and valve(1), fluid pressure regulating, aircraft.

straight thru body style, 1.250 inches nominal first end outside diameter tube accommodated, socket first end style designator, unthreaded internal tube first end connection type, identical second end relationship with first end

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
First End Connection Type: unthreaded internal tube
First End Style Designator: socket
First End Outside Diameter Tube Accommodated: 1.250 inches nominal
Second End Relationship With First End: identical
Flow Control Device: stem and integral disk
End Connection Quantity: 2
Two-Way Valve Action: reverse acting
Capillary Tube Length: 180.000 inches nominal
Bulb Length: 12.000 inches nominal
Bulb Diameter: 1.125 inches nominal
Temp Adjustability: adjustable
Thermostatic Element: finned
Special Features: double seat,trac style a
Material: copper alloy body
Material: copper alloy seat
Material: copper bulb

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
40053-902	Temperature Regulating Valve
40053-902 AND CD SHEET 40550	Temperature Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-01-270-4313?

The FSCG of the NSN 4820-01-270-4313 is 4820

Does the NSN 4820-01-270-4313 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-01-270-4313 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 4820-01-270-4313 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-270-4313 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 4820-01-270-4313 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Wed, Jan 6, 1988