025-021749

View detailed technical data, stock status, and sourcing information for: 025-021749
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-412-1677

Item Name Code

05485

Assigment Date

04/12/1995 (31 years ago)

A pulley with one or more grooved faces or rims of the same diameter. For pulleys encased in a shell or frame, see block, tackle. For items specifically designed for aviation, see pulley(1), groove, aviation.

union bonnet attachment method, 4 1st end bolt hole quantity, disk flow control device, 0.500 inches 2nd end nominal pipe size accommodated, inside screw bonnet 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: 0.500 inches 2nd end
Flow Control Device: disk
Bonnet Type: inside screw
Bonnet Attachment Method: union
Bolt Hole Quantity: 4 1st end
Maximum Operating Temp: 775.0 fahrenheit single response
Connection Style: socket 2nd end
Valve Operation Method: manual
Flange Shape: round with holes 1st end
Connection Type: flange 1st end
Connection Type: unthreaded internal pipe 2nd end
Valve Size: 0.500 inches
Maximum Operating Pressure: 1550.0 pounds per square inch single response
Nominal Outside Diameter: 4.750 inches 1st end
Face To Face Distance: 4.625 inches
Nominal Thickness: 0.875 inches 1st end
Bolt Hole Nominal Diameter: 0.875 inches 1st end
Bolt Circle Nominal Diameter: 3.250 inches 1st end
Flange Face Design: raised straight 1st end
Raised Face Nominal Height: 0.250 inches
Raised Face Nominal Diameter: 1.375 inches
Material: cobalt comp 6 seat
Material: cobalt comp 6 flow control device
Material: steel body
Material: steel comp 410 stem
Media For Which Designed: steam single response
Style Designator: straight thru flanged ends
Furnished Items And Quantity: 1 handwheel

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
025-021749	Globe Valve
025-021749 ASSY 943142	Globe Valve
943142	Globe Valve

FAQs

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

What is the FSCG of the NSN 4820-01-412-1677?

The FSCG of the NSN 4820-01-412-1677 is 4820

Does the NSN 4820-01-412-1677 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803060

Does NSN 4820-01-412-1677 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 4820-01-412-1677 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-412-1677 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 4820-01-412-1677 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Wed, Apr 12, 1995