K1207-12

View detailed technical data, stock status, and sourcing information for: K1207-12
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-433-3826

Item Name Code

05487

Assigment Date

01/01/1963 (63 years ago)

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

cone flow control device, right-hand all ends thread direction, 275.0 fahrenheit single response maximum operating temp, spring disk loading method, 3a all ends thread class

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3a all ends
Thread Direction: right-hand all ends
Flow Control Device: cone
Disk Loading Method: spring
Maximum Operating Temp: 275.0 fahrenheit single response
Connection Style: flared (tube) all ends
Valve Operation Method: automatic
Connection Type: threaded external tube all ends
Mounting Position: horizontal or vertical
Thread Quantity Per Inch: 12 1st end
Maximum Operating Pressure: 1500.0 pounds per square inch single response
Nominal Thread Size: 1.062 inches all ends
Seat Angle: 37.0 degrees 1st end
Nominal Outside Diameter Tube Accommodated: 0.750 inches 1st end
Material: aluminum alloy seat
Material: aluminum alloy body
Material: steel flow control device
Media For Which Designed: hydraulic fluid, phosphate-ester base 1st response
Media For Which Designed: hydraulic fluid, silicate-ester base 2nd response
Style Designator: straight thru
Thread Series Designator: unf all ends

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
1650-00-529-3636	No Name Available	01/01/1963
4820-00-820-4366	No Name Available	03/09/1973

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
4-2243-9	Check Valve
AN6207-12	Check Valve
K1207-12	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-433-3826?

The FSCG of the NSN 4820-00-433-3826 is 4820

Does the NSN 4820-00-433-3826 have a Schedule B code assigned?

Yes, the Schedule B code is 8481309000

Does NSN 4820-00-433-3826 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 4820-00-433-3826 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-433-3826 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 4820-00-433-3826 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963