4820-00-266-9496

Find complete technical information, availability, and procurement data for: 4820-00-266-9496
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-266-9496

Item Name Code

05487

Assigment Date

01/01/1961 (65 years ago)

weight disk loading method, right-hand all ends thread direction, disk flow control device, plain, optional end (pipe) all ends connection style, threaded renewable seat ring type

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: disk
Disk Loading Method: weight
Renewable Seat Ring Type: threaded
Connection Style: plain, optional end (pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Mounting Position: horizontal
Maximum Operating Pressure: 125.0 pounds per square inch single response
Nominal Thread Size: 4.000 inches all ends
Material: copper alloy flow control device
Material: copper alloy seat
Material: iron cast body
Media For Which Designed: steam single response
Style Designator: straight thru
Thread Series Designator: npt all ends
Nondefinitive Spec/Std Data: iii type and 125/wsp/ class

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-202-7515	No Name Available	07/22/1967

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
115S 4IN	Check Valve
T-918-B 4IN	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-266-9496?

The FSCG of the NSN 4820-00-266-9496 is 4820

Does the NSN 4820-00-266-9496 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302010

Does NSN 4820-00-266-9496 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 4820-00-266-9496 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-266-9496 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 4820-00-266-9496 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961