10-1026-1

View detailed technical data, stock status, and sourcing information for: 10-1026-1
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-830-7977

Item Name Code

05490

Assigment Date

01/01/1962 (64 years ago)

A heater used to raise the temperature of the air in the interior of aircraft in which it is installed. Circulation of the heated air may be achieved by an integral blower or fan. Excludes:heater package, aircraft, external type heaters, and portable type heaters.

250.0 fahrenheit single response maximum operating temp, 0.375 inches 1st end nominal pipe size accommodated, gasket seal(boss) 1st end connection style, three-way three port 90 degree plug turn flow style, right-hand 1st 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.

Nominal Pipe Size Accommodated: 0.375 inches 1st end
Thread Direction: right-hand 1st end
Flow Style: three-way three port 90 degree plug turn
Maximum Operating Temp: 250.0 fahrenheit single response
Connection Style: gasket seal(boss) 1st end
Valve Operation Method: manual
Connection Type: threaded internal boss 1st end
Mounting Facility: threaded fastener
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 0.562 inches 1st end
Seat Angle: 45.0 degrees 1st end
Material: aluminum alloy seat
Material: aluminum alloy body
Material: steel corrosion resisting stem
Media For Which Designed: hydraulic fluid, phosphate-ester base single response
Surface Treatment: anodize
Thread Series Designator: unjf 1st end

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
1650-00-529-3338	No Name Available	01/01/1960
1650-01-213-7885	No Name Available	10/01/1992
4820-01-394-6183	No Name Available	09/01/2012

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
10-1026	Plug Valve
10-1026-1	Plug Valve
10900445	Plug Valve
4820008307977	Plug Valve
4U4112	Plug Valve
5C5819	Plug Valve
695872-1	Plug Valve

FAQs

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

What is the FSCG of the NSN 4820-00-830-7977?

The FSCG of the NSN 4820-00-830-7977 is 4820

Does the NSN 4820-00-830-7977 have a Schedule B code assigned?

Yes, the Schedule B code is 8481805090

Does NSN 4820-00-830-7977 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 4820-00-830-7977 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-830-7977 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 4820-00-830-7977 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962