692-4810-49

View detailed technical data, stock status, and sourcing information for: 692-4810-49
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-639-9943

Item Name Code

16994

Assigment Date

01/01/1963 (63 years ago)

6 2nd end bolt hole quantity, 425.0 fahrenheit 2nd response maximum operating temp, 0.562 inches 1st end bolt hole nominal diameter, 0.562 inches 2nd end bolt hole nominal diameter, 6 1st end bolt hole quantity

Product Characteristics

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

Bolt Hole Quantity: 6 1st end
Bolt Hole Quantity: 6 2nd end
Maximum Operating Temp: 425.0 fahrenheit 2nd response
Bolt Hole Nominal Diameter: 0.562 inches 1st end
Bolt Hole Nominal Diameter: 0.562 inches 2nd end
Bolt Circle Nominal Diameter: 3.938 inches 1st end
Bolt Circle Nominal Diameter: 4.438 inches 2nd end
Special Features: first end flange outside dia.:5.062 in.nom;second end flange outside dia.:5.562 in.nom;first end connection type:plain face flange;first end style designator:l1;first end flange thickness:0.438 in.nom;second end connection type:flange plain face;second end flange thickness:0.438 in.nom;second end connection face to center line distance:4.000 in.nom;end connection qty:2;second end relationship w/first end:not identical;
Material: steel body
Material: steel corrosion resisting flow control device
Media For Which Designed: steam 2nd response

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-288-9221	No Name Available	01/01/1963

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
692-4810-49	Piston Weighted Control Valve
DD692S4810-49ALT3	Piston Weighted Control Valve

FAQs

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

What is the FSCG of the NSN 4820-00-639-9943?

The FSCG of the NSN 4820-00-639-9943 is 4820

Does the NSN 4820-00-639-9943 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-00-639-9943 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 4820-00-639-9943 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-639-9943 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 4820-00-639-9943 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963