4820-00-491-3140

Find complete technical information, availability, and procurement data for: 4820-00-491-3140
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-491-3140

Item Name Code

49444

Assigment Date

09/21/1970 (55 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.

cylinder mounting method, single stage type, right side mounting position, compressed gas association inlet fitting connection type, 15.0 pounds per square inch maximum delivery pressure

Product Characteristics

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

Maximum Delivery Pressure: 15.0 pounds per square inch
Mounting Method: cylinder
Mounting Position: right side
Stage Type: single
Inlet Fitting Connection Type: compressed gas association
Features Provided: relief valve
Delivery Pressure Type: adjustable
Inlet Fitting Connection Cga Number: 580
Inlet Indicator Type: dial pressure gage
Outlet Indicator Type: dial pressure gage
Special Features: includes sintered inlet filter

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-305-2133	No Name Available	11/01/1991

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
0781-0004	Compressed Gas Regulator
SR250A-580	Compressed Gas Regulator

FAQs

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

What is the FSCG of the NSN 4820-00-491-3140?

The FSCG of the NSN 4820-00-491-3140 is 4820

Does the NSN 4820-00-491-3140 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-491-3140 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 4820-00-491-3140 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-491-3140 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 4820-00-491-3140 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Mon, Sep 21, 1970