4820-00-824-1271

Find complete technical information, availability, and procurement data for: 4820-00-824-1271
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for NSN 4820-00-824-1271 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-824-1271

Item Name Code

20520

Assigment Date

08/16/1967 (59 years ago)

3a all ends thread class, 0.003 inches nominal aperture diameter, poppet flow control device, right-hand all ends thread direction, spring disk loading method

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 all ends
Thread Direction: right-hand all ends
Aperture Diameter: 0.003 inches nominal
Flow Control Device: poppet
Disk Loading Method: spring
Maximum Operating Temp: 275.0 fahrenheit single response
Connection Style: flareless all ends
Valve Operation Method: automatic
Connection Type: threaded external tube all ends
Mounting Position: horizontal or vertical
Thread Quantity Per Inch: 20 1st end
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 0.437 inches all ends
Seat Angle: 12.0 degrees all ends
Nominal Outside Diameter Tube Accommodated: 0.250 inches all ends
Material: aluminum alloy 2024 body
Material: rubber synthetic packing
Material: steel corrosion resisting and steel comp 303 and steel comp 304 flow control device
Material Document And Classification: fed-std-66, aisi 302/sae 30302 fed std 1st material response and fed-std-66, aisi 303/sae 30303 fed spec 2nd material response and fed-std-66, aisi 304/sae 30304 fed spec 3rd material response flow control device
Material Document And Classification: qq-a-225/6, alloy 2024 fed spec single material response body
Media For Which Designed: hydraulic fluid, phosphate-ester base single response
Surface Treatment: anodize
Surface Treatment Document And Classification: mil-a-8625,ty 2 mil spec single treatment response
Style Designator: straight thru
Thread Series Designator: unf 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
1R0448-3	Restrictor Check Valve
215-32320-3	Restrictor Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-824-1271?

The FSCG of the NSN 4820-00-824-1271 is 4820

Does the NSN 4820-00-824-1271 have a Schedule B code assigned?

Yes, the Schedule B code is 8481309000

Does NSN 4820-00-824-1271 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 4820-00-824-1271 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-824-1271 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 4820-00-824-1271 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Wed, Aug 16, 1967