TA274-25-05R

View detailed technical data, stock status, and sourcing information for: TA274-25-05R
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-794-6997

Item Name Code

10958

Assigment Date

01/01/1960 (66 years ago)

air media for which designed, gasket and manual unloader on vacuum side and nut and washer furnished items, 4.5 pounds per square inch maximum operating pressure, threaded external boss 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.

Maximum Operating Pressure: 4.5 pounds per square inch
Body Style: single connection, straight flow
Furnished Items: gasket and manual unloader on vacuum side and nut and washer
Media For Which Designed: air
First End Connection Type: threaded external boss
First End Style Designator: external seat for gasket seal
First End Thread Class: 2a
First End Thread Direction: right-hand
Flow Control Device: disk, flat
End Connection Quantity: 1
Disk Loading Method: spring
Opening Pressure Setting: 2.5 pounds per square inch
Valve Venting Design Type: atmospheric
Valve Relief Design Type: pressure and vacuum
Absolute Pressure Setting: 2.0
Material: aluminum alloy body
Material: aluminum alloy flow control device
Material: plastic polytetrafluoroethylene seat
Surface Treatment: anodize and chromate outside
Surface Treatment Document And Classification: tt-p-636 fed spec single treatment response 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
TA214-25-05-R	Gaseou Pressure Equalizing Valve
TA274-25-05	Gaseou Pressure Equalizing Valve
TA274-25-05-R	Gaseou Pressure Equalizing Valve
TA274-25-05R	Gaseou Pressure Equalizing Valve

FAQs

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

What is the FSCG of the NSN 4820-00-794-6997?

The FSCG of the NSN 4820-00-794-6997 is 4820

Does the NSN 4820-00-794-6997 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-00-794-6997 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 4820-00-794-6997 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-794-6997 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 4820-00-794-6997 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960