783-U 4IN

View detailed technical data, stock status, and sourcing information for: 783-U 4IN
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-287-3437

Item Name Code

05482

Assigment Date

01/01/1963 (63 years ago)

manual valve operation method, 4.000 inches nominal pipe size accommodated, pressure seal, ring type bonnet attachment method, outside screw-yoke bonnet type, butt weld pipe connection type

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
Bonnet Type: outside screw-yoke
Bonnet Attachment Method: pressure seal, ring type
Valve Operation Method: manual
Connection Type: butt weld pipe
Features Provided: bonnet packing
Valve Size: 4.000 inches
Stem Type: rising
Inlet Relationship With Outlet: identical
Pressure Class: 900.0 pounds
Special Features: 50 percent lower operating torque achieved with non-rotating stem
Material: cobalt alloy disk
Material: cobalt alloy seat
Material: steel corrosion resisting body
Material: steel corrosion resisting stem
Material Document And Classification: a216 grade wcb assn std single material response body
Nondefinitive Spec/Std Data: d composition

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
783-U 4IN	Gate Valve
B12-7054P-02TS/8350-15C/88204967	Gate Valve

FAQs

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

What is the FSCG of the NSN 4820-00-287-3437?

The FSCG of the NSN 4820-00-287-3437 is 4820

Does the NSN 4820-00-287-3437 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803055

Does NSN 4820-00-287-3437 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 4820-00-287-3437 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-287-3437 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 4820-00-287-3437 was assigned to the Federal Catalog?

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