4820-01-440-4781

Find complete technical information, availability, and procurement data for: 4820-01-440-4781
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-440-4781

Item Name Code

05492

Assigment Date

01/15/1997 (29 years ago)

threaded internal pipe first end connection type, straight thru body style, identical second end relationship with first end, plain first end style designator, right-hand first end thread direction

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: threaded internal pipe
First End Style Designator: plain
First End Thread Direction: right-hand
Second End Relationship With First End: identical
Flow Control Device: double seated
End Connection Quantity: 2
Two-Way Valve Action: direct acting
Capillary Tube Length: 120.000 inches nominal
Bulb Length: 7.735 inches nominal
Bulb Diameter: 0.625 inches nominal
Temp Adjustability: not adjustable
Thermostatic Element: liquid immersion type
End Item Identification: strategic sealift conversion ships class
Temp Rating: 70.0 fahrenheit minimum and 170.0 fahrenheit maximum
Material: aluminum body
Material: copper alloy bulb
Material: plastic polyamide (nylon) seat
Material: steel corrosion resisting stem
Thread Size And Series/Type Designator: 1/4-18 npt first end

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
20/5.4.2.1 ALT4	Temperature Regulating Valve
BP-2 70-170 DEG F 10FT	Temperature Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-01-440-4781?

The FSCG of the NSN 4820-01-440-4781 is 4820

Does the NSN 4820-01-440-4781 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-01-440-4781 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 4820-01-440-4781 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-440-4781 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 4820-01-440-4781 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Wed, Jan 15, 1997