253T(P)-2PP

View detailed technical data, stock status, and sourcing information for: 253T(P)-2PP
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-419-2607

Item Name Code

05487

Assigment Date

09/18/1995 (30 years ago)

A valve that controls flow by a circular disk, or a pair of semicircular disks, attached to a common spindle or lever turning on a diametral axis.

spring disk loading method, right-hand all ends thread direction, 149.0 celsius single response maximum operating temp, -40.0 celsius minimum operating temp, aircraft, hercules c-130 end item identification

Product Characteristics

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

Thread Direction: right-hand all ends
Disk Loading Method: spring
Maximum Operating Temp: 149.0 celsius single response
Minimum Operating Temp: -40.0 celsius
End Item Identification: aircraft, hercules c-130
Connection Style: plain, optional end (pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Mounting Position: horizontal or vertical
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches all ends
Material: steel comp 303 body
Media For Which Designed: acetylene 2nd response
Media For Which Designed: oxygen, gaseous single response
Media For Which Designed: oxygen, gaseous 1st response
Media For Which Designed: refrigerant 22 4th response
Media For Which Designed: refrigerant 12 3rd response
Surface Treatment: passivate
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response
Style Designator: straight thru
Thread Series Designator: nptf all ends

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
253T(P)-2PP	Check Valve
ES9969	Check Valve
ES9969-01	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-419-2607?

The FSCG of the NSN 4820-01-419-2607 is 4820

Does the NSN 4820-01-419-2607 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-01-419-2607 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 4820-01-419-2607 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-419-2607 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 4820-01-419-2607 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Mon, Sep 18, 1995