4820-01-411-2148

Find complete technical information, availability, and procurement data for: 4820-01-411-2148
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-411-2148

Item Name Code

10958

Assigment Date

03/20/1995 (31 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.

air media for which designed, plain first end style designator, 2.000 inches first end nominal pipe size accommodated, threaded external pipe first end connection type, single connection, straight flow body style

Product Characteristics

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

Body Style: single connection, straight flow
Media For Which Designed: air
First End Connection Type: threaded external pipe
First End Style Designator: plain
First End Nominal Pipe Size Accommodated: 2.000 inches
First End Thread Direction: right-hand
Flow Control Device: disk, flat
End Connection Quantity: 1
Disk Loading Method: spring
Opening Pressure Setting: 0.7 pounds per square inch
Valve Venting Design Type: closed system
Absolute Pressure Setting: 0.7
First End Thread Series Designator: uns
First End Nominal Thread Size: 2.000 inches
Material: aluminum body

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
5167392	Gaseou Pressure Equalizing Valve
TA770-1291	Gaseou Pressure Equalizing Valve

FAQs

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

What is the FSCG of the NSN 4820-01-411-2148?

The FSCG of the NSN 4820-01-411-2148 is 4820

Does the NSN 4820-01-411-2148 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-01-411-2148 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 4820-01-411-2148 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-411-2148 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 4820-01-411-2148 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Mon, Mar 20, 1995