4820-00-925-2104

Find complete technical information, availability, and procurement data for: 4820-00-925-2104
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-925-2104

Item Name Code

05485

Assigment Date

02/23/1966 (60 years ago)

A valve with one inlet and one outlet connection with outlet flow parallel to inlet flow. The flow is controlled by the action of a stem which lifts the disk perpendicularly off the center axis of its seat. The stem is at a 90 degree (1.5708 radians) angle to axis of flow. Excludes:valve, stop-check; cock, shutoff, screw stem; and valve, solenoid.

disk flow control device, beveled (pipe) 1st end connection style, inside screw bonnet type, 4.000 inches 1st end nominal pipe size accommodated, bolted bonnet attachment method

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: 4.000 inches 1st end
Flow Control Device: disk
Bonnet Type: inside screw
Bonnet Attachment Method: bolted
Connection Style: beveled (pipe) 1st end
Valve Operation Method: manual
Connection Type: butt weld pipe 1st end
Maximum Operating Pressure: 1000.0 pounds per square inch single response
Criticality Code Justification: zzzy
Material: copper alloy 964 body
Material: nickel alloy r-405 stem
Style Designator: straight thru
Reference Number Differentiating Characteristics: material controlled iaw navsea 0948-lp-045-7010 material control standard for level i items

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
2621-920-12ASSYIRB-4IN	Globe Valve
2621-920-12ASSYIRB-4INL1	Globe Valve
845-2445066 ASSY IRB	Globe Valve
845-2445066 ASSY IRBL1	Globe Valve
845-2445066ASSYIRB-4IN	Globe Valve
845-2445066ASSYIRB-4INL1	Globe Valve
X4974	Globe Valve
X4974L1	Globe Valve

FAQs

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

What is the FSCG of the NSN 4820-00-925-2104?

The FSCG of the NSN 4820-00-925-2104 is 4820

Does the NSN 4820-00-925-2104 have a Schedule B code assigned?

Yes, the Schedule B code is 8481801070

Does NSN 4820-00-925-2104 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 4820-00-925-2104 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-925-2104 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 4820-00-925-2104 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Wed, Feb 23, 1966