4820-01-168-8539

Find complete technical information, availability, and procurement data for: 4820-01-168-8539
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-168-8539

Item Name Code

05485

Assigment Date

12/27/1983 (42 years ago)

A valve with one inlet and one outlet connection with outlet flow parallel to inlet flow. The flow is controlled by the action of a stem which lifts the disk perpendicularly off the center axis of its seat. The stem is at a 90 degree (1.5708 radians) angle to axis of flow. Excludes:valve, stop-check; cock, shutoff, screw stem; and valve, solenoid.

0.250 inches all ends nominal pipe size accommodated, reduced socket with one brazing ring all ends connection style, disk flow control device, inside screw bonnet type, union 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.

Nominal Pipe Size Accommodated: 0.250 inches all ends
Flow Control Device: disk
Bonnet Type: inside screw
Bonnet Attachment Method: union
Connection Style: reduced socket with one brazing ring all ends
Valve Operation Method: manual
Connection Type: unthreaded internal pipe all ends
Features Provided: bonnet packing
Maximum Operating Pressure: 600.0 pounds per square inch single response
Criticality Code Justification: zzzy
Material: copper alloy 922 body
Material: nickel alloy flow control device
Material: steel comp 304 stem
Material Document And Classification: astm a276, type 304 assn std single material response stem
Material Document And Classification: astm b61 assn std single material response body
Media For Which Designed: water-oil-gas single response
Style Designator: straight thru
Furnished Items And Quantity: 1 handwheel
Reference Number Differentiating Characteristics: cleaning, packaging, and marking iaw the latest revision of mil-std-1330

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
70-102S.B.P.1-4IN	Globe Valve
70-102S.B.P.1-4INCP	Globe Valve

FAQs

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

What is the FSCG of the NSN 4820-01-168-8539?

The FSCG of the NSN 4820-01-168-8539 is 4820

Does the NSN 4820-01-168-8539 have a Schedule B code assigned?

Yes, the Schedule B code is 8481801070

Does NSN 4820-01-168-8539 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 4820-01-168-8539 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-168-8539 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 4820-01-168-8539 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Tue, Dec 27, 1983