279025

View detailed technical data, stock status, and sourcing information for: 279025
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-398-8454

Item Name Code

05485

Assigment Date

11/09/1994 (31 years ago)

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

right-hand all ends thread direction, 200.0 fahrenheit single response maximum operating temp, inside spring bonnet type, needle flow control device, threaded bonnet attachment method

Product Characteristics

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

Thread Direction: right-hand all ends
Flow Control Device: needle
Bonnet Type: inside spring
Bonnet Attachment Method: threaded
Maximum Operating Temp: 200.0 fahrenheit single response
End Item Identification: avenger class mcm
Connection Style: plain,optional end(pipe) all ends
Valve Operation Method: manual
Connection Type: threaded internal pipe all ends
Maximum Operating Pressure: 4500.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches all ends
Material: steel comp 316 body
Material: steel comp 316 stem
Media For Which Designed: water-oil-gas single response
Style Designator: straight thru
Thread Series Designator: npt all ends
Furnished Items And Quantity: 1 handwheel

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-239-8711	No Name Available	07/01/2002

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
279025	Globe Valve
42593-017	Globe Valve

FAQs

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

What is the FSCG of the NSN 4820-01-398-8454?

The FSCG of the NSN 4820-01-398-8454 is 4820

Does the NSN 4820-01-398-8454 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803060

Does NSN 4820-01-398-8454 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 4820-01-398-8454 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-398-8454 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 4820-01-398-8454 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Wed, Nov 9, 1994