P35-533

View detailed technical data, stock status, and sourcing information for: P35-533
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-461-1548

Item Name Code

20520

Assigment Date

01/26/1970 (56 years ago)

spring disk loading method, 3a 1st end thread class, poppet flow control device, 0.018 inches nominal aperture diameter, right-hand 1st end thread direction

Product Characteristics

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

Thread Class: 3a 1st end
Thread Direction: right-hand 1st end
Aperture Diameter: 0.018 inches nominal
Flow Control Device: poppet
Disk Loading Method: spring
Maximum Operating Temp: 180.0 fahrenheit single response
Connection Style: flared (tube) 1st end
Valve Operation Method: automatic
Connection Type: threaded external tube 1st end
Mounting Facility: bulkhead
Mounting Position: horizontal or vertical
Thread Quantity Per Inch: 14 1st end
Maximum Operating Pressure: 600.0 pounds per square inch single response
Nominal Thread Size: 0.875 inches 1st end
Seat Angle: 37.0 degrees 1st end
Nominal Outside Diameter Tube Accommodated: 0.625 inches 1st end
Special Features: bulkhead type threads on second end
Material: aluminum alloy 2024 body
Material: aluminum alloy 2024 seat
Material: rubber synthetic packing
Media For Which Designed: fuel/oil, hydrocarbon single response
Surface Treatment: anodize
Style Designator: straight thru
Thread Series Designator: unf 1st end

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
12-368-1	Restrictor Check Valve
209-062-606-1	Restrictor Check Valve
P35-533	Restrictor Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-461-1548?

The FSCG of the NSN 4820-00-461-1548 is 4820

Does the NSN 4820-00-461-1548 have a Schedule B code assigned?

Yes, the Schedule B code is 8481309000

Does NSN 4820-00-461-1548 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 4820-00-461-1548 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-461-1548 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 4820-00-461-1548 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Mon, Jan 26, 1970