4DP2091APC330-1

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-289-2176

Item Name Code

05487

Assigment Date

01/01/1961 (65 years ago)

spring disk loading method, streamlined with two brazing ring (pipe) all ends connection style, 1.000 inches all ends nominal pipe size accommodated, 1.250 inches offset distance, disk flow control device

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: 1.000 inches all ends
Offset Distance: 1.250 inches
Flow Control Device: disk
Disk Loading Method: spring
Connection Style: streamlined with two brazing ring (pipe) all ends
Valve Operation Method: automatic
Connection Type: unthreaded internal pipe all ends
Mounting Position: horizontal or vertical
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Material: copper alloy body
Material: copper alloy seat
Material: nickel alloy flow control device
Media For Which Designed: water-oil-gas single response
Style Designator: offset

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
340-2100-1002787PCV1	Check Valve
340-6700-937209ALT2PCV2	Check Valve
3868-143ALT2PCV2	Check Valve
3879-20PCV1	Check Valve
4268-181REVAPCV134	Check Valve
4DP2091APC330-1	Check Valve
576-6700-1505182REVAPCV134	Check Valve
N330-1	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-289-2176?

The FSCG of the NSN 4820-00-289-2176 is 4820

Does the NSN 4820-00-289-2176 have a Schedule B code assigned?

Yes, the Schedule B code is 8481301090

Does NSN 4820-00-289-2176 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 4820-00-289-2176 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-289-2176 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 4820-00-289-2176 was assigned to the Federal Catalog?

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