4820-01-449-2103

Find complete technical information, availability, and procurement data for: 4820-01-449-2103
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-449-2103

Item Name Code

05492

Assigment Date

09/23/1997 (28 years ago)

A hollow body used to transport air to various parts of the aircraft for the purpose of heating, cooling, pressurizing, de-icing, and the like. It may include flange(s), bracket(s), and the like for mounting purposes. Excludes:pipes used in aircraft exhaust systems and pipes used in non-aircraft applications. Excludes:pipe, exhaust and pipe, air conditioning-heating.

unthreaded internal pipe first end connection type, 1.500 inches first end nominal pipe size accommodated, socket w/brazing ring first end style designator, identical second end relationship with first end, straight thru body style

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 pipe
First End Style Designator: socket w/brazing ring
First End Nominal Pipe Size Accommodated: 1.500 inches
Second End Relationship With First End: identical
Flow Control Device: double seated
End Connection Quantity: 2
Two-Way Valve Action: reverse acting
Capillary Tube Length: 120.000 inches nominal
Bulb Length: 12.000 inches nominal
Bulb Diameter: 1.125 inches nominal
Temp Adjustability: adjustable
Thermostatic Element: finned
End Item Identification: nimitz class cvn
Temp Rating: 44.0 fahrenheit minimum and 70.0 fahrenheit maximum
Material: copper alloy body
Material: copper alloy bulb
Material: copper alloy flow control device
Material: copper alloy seat
Material: copper alloy stem
Specification/Standard Data: 81349-mil-v-19772a government specification
Nondefinitive Spec/Std Data: ii type and 2 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
40054-4 ITEM 40054-407	Temperature Regulating Valve
40054-407	Temperature Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-01-449-2103?

The FSCG of the NSN 4820-01-449-2103 is 4820

Does the NSN 4820-01-449-2103 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-01-449-2103 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 4820-01-449-2103 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-449-2103 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 4820-01-449-2103 was assigned to the Federal Catalog?

It was assigned 28 years ago, on Tue, Sep 23, 1997