C800B

View detailed technical data, stock status, and sourcing information for: C800B
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-129-6679

Item Name Code

05487

Assigment Date

12/26/1968 (57 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.

plain, optional end (pipe) all ends connection style, poppet flow control device, automatic valve operation method, right-hand all ends thread direction, spring disk loading method

Product Characteristics

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

Thread Direction: right-hand all ends
Flow Control Device: poppet
Disk Loading Method: spring
Connection Style: plain, optional end (pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Mounting Position: horizontal or vertical
Thread Quantity Per Inch: 14 all ends
Maximum Operating Pressure: 500.0 pounds per square inch single response
Nominal Thread Size: 0.500 inches all ends
Material: copper alloy body
Material: steel flow control device
Material: steel seat
Style Designator: straight thru w/offset
Thread Series Designator: npt all ends

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-004-5936	No Name Available	02/01/1980

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
1-2 800B	Check Valve
64A92B890	Check Valve
C800B	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-129-6679?

The FSCG of the NSN 4820-00-129-6679 is 4820

Does the NSN 4820-00-129-6679 have a Schedule B code assigned?

Yes, the Schedule B code is 8481301090

Does NSN 4820-00-129-6679 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 4820-00-129-6679 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-129-6679 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 4820-00-129-6679 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Thu, Dec 26, 1968