TA333-0.5C-0.5C

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-425-0381

Item Name Code

10958

Assigment Date

02/09/1996 (30 years ago)

A valve consisting of a single deadweight loaded disk, or two deadweight loaded disks each with a seperate seat. It is specifically designed for the relief of small pressure and vacuum conditions within a tank or other container to or from the atmosphere. The center of a single deadweight loaded disk may contain a spring loaded disk forming an additional seat or aperture. It may be spring loaded and/or equipped with a manual unloader on either the pressure or vacuum side. Exclude valve, vacuum breaking.

threaded external pipe first end connection type, plain first end style designator, 0.750 inches first end nominal pipe size accommodated, 2.0 pounds per square inch maximum operating pressure, 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.

Maximum Operating Pressure: 2.0 pounds per square inch
Body Style: single connection, straight flow
First End Connection Type: threaded external pipe
First End Style Designator: plain
First End Nominal Pipe Size Accommodated: 0.750 inches
First End Thread Direction: right-hand
Flow Control Device: any acceptable
End Connection Quantity: 1
Opening Pressure Setting: 0.5 pounds per square inch
Valve Venting Design Type: atmospheric
Valve Relief Design Type: pressure and vacuum
Absolute Pressure Setting: 2.0
End Item Identification: 5895-01-392-0045
First End Thread Series Designator: npsm
First End Nominal Thread Size: 0.750 inches
Material: aluminum body
Surface Treatment: anodize outside

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
TA333-0.5C-0.5C	Gaseou Pressure Equalizing Valve
TA333-0.5C-0.5C-R	Gaseou Pressure Equalizing Valve

FAQs

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

What is the FSCG of the NSN 4820-01-425-0381?

The FSCG of the NSN 4820-01-425-0381 is 4820

Does the NSN 4820-01-425-0381 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-01-425-0381 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 4820-01-425-0381 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-425-0381 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 4820-01-425-0381 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Fri, Feb 9, 1996