4820-00-925-4340

Find complete technical information, availability, and procurement data for: 4820-00-925-4340
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-925-4340

Item Name Code

20962

Assigment Date

02/02/1966 (60 years ago)

4 1st end bolt hole quantity, round 2nd end flange shape, pressed-in renewable seat ring type, packing retaining bonnet type, manual valve operation method

Product Characteristics

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

Bonnet Type: packing retaining
Renewable Seat Ring Type: pressed-in
Bolt Hole Quantity: 4 1st end
Valve Operation Method: manual
Flange Shape: round 2nd end
Flange Shape: round with holes 1st end
Connection Type: flange 1st end
Connection Type: flange 2nd end
Valve Size: 1.000 inches
Maximum Operating Pressure: 650.0 pounds per square inch single response
Criticality Code Justification: zzzy
Nominal Outside Diameter: 4.250 inches 2nd end
Nominal Outside Diameter: 4.500 inches 1st end
Face To Face Distance: 4.250 inches
Nominal Thickness: 0.750 inches 2nd end
Bolt Hole Nominal Diameter: 0.625 inches 1st end
Bolt Circle Nominal Diameter: 3.125 inches 1st end
Flange Face Design: plain swivel 1st end
Material: copper alloy 964 body
Material: titanium alloy uns r56400 flow control device
Media For Which Designed: water, salt single response
Style Designator: straight thru flanged ends
Reference Number Differentiating Characteristics: quality control iaw navships 0948-045-7010 material identification and control instruction for level 1 items

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-986-6478	No Name Available	05/01/1985

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
2640-742BSCWUACT	Ball Valve
2640-742BSCWUACTL1	Ball Valve
2641-742BSCWUACT	Ball Valve
2641-742BSCWUACTL1	Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-00-925-4340?

The FSCG of the NSN 4820-00-925-4340 is 4820

Does the NSN 4820-00-925-4340 have a Schedule B code assigned?

Yes, the Schedule B code is 8481801085

Does NSN 4820-00-925-4340 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 4820-00-925-4340 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-925-4340 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 4820-00-925-4340 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Wed, Feb 2, 1966