4820-01-137-8174

Find complete technical information, availability, and procurement data for: 4820-01-137-8174
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-137-8174

Item Name Code

05485

Assigment Date

09/02/1982 (43 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.

3a all ends thread class, right-hand all ends thread direction, threaded bonnet attachment method, stem flow control device, 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.

Thread Class: 3a all ends
Thread Direction: right-hand all ends
Flow Control Device: stem
Bonnet Type: inside screw
Bonnet Attachment Method: threaded
Maximum Operating Temp: 160.0 fahrenheit single response
Connection Style: flareless (tube) all ends
Valve Operation Method: manual
Connection Type: threaded external tube all ends
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 0.312 inches all ends
Seat Angle: 20.0 degrees all ends
Material: plastic polyamide (nylon) seat
Material: steel corrosion resisting body
Material: steel flow control device
Material Document And Classification: qq-s-764,type 303-canceled fed spec single material response body
Material Document And Classification: qq-s-764,type 303-canceled fed spec single material response flow control device
Media For Which Designed: liquid, ingested single response
Style Designator: straight thru
Thread Series Designator: unf 1st end

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
CND1688C	Globe Valve
S138F-4SS	Globe Valve

FAQs

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

What is the FSCG of the NSN 4820-01-137-8174?

The FSCG of the NSN 4820-01-137-8174 is 4820

Does the NSN 4820-01-137-8174 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803060

Does NSN 4820-01-137-8174 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 4820-01-137-8174 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-137-8174 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 4820-01-137-8174 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Thu, Sep 2, 1982