4820-00-529-3639

Find complete technical information, availability, and procurement data for: 4820-00-529-3639
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-529-3639

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.

flared (tube) 1st end connection style, spring disk loading method, cone flow control device, right-hand 1st end thread direction, 3a 1st end 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 1st end
Thread Direction: right-hand 1st end
Flow Control Device: cone
Disk Loading Method: spring
Connection Style: flared (tube) 1st end
Connection Type: threaded external tube 1st end
Mounting Position: horizontal or vertical
Thread Quantity Per Inch: 14 1st end
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 0.875 inches 1st end
Seat Angle: 37.0 degrees 1st end
Nominal Outside Diameter Tube Accommodated: 0.625 inches 1st end
Media For Which Designed: hydraulic fluid, phosphate-ester base single response
Style Designator: straight thru
Test Data Document: "81349-mil-v-5524 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."
Thread Series Designator: unf 1st end
Nondefinitive Spec/Std Data: a style and 3000 class

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-194-1749	No Name Available	03/01/1994

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
12-347-6	Check Valve
12347-6	Check Valve
AN6249-10	Check Valve
BC6249-10	Check Valve
CVC4121-10	Check Valve
HPC146100	Check Valve
K1249-10	Check Valve
S2230566-10	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-529-3639?

The FSCG of the NSN 4820-00-529-3639 is 4820

Does the NSN 4820-00-529-3639 have a Schedule B code assigned?

Yes, the Schedule B code is 8481301090

Does NSN 4820-00-529-3639 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 4820-00-529-3639 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-529-3639 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 4820-00-529-3639 was assigned to the Federal Catalog?

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