404HTX-8D-3

View detailed technical data, stock status, and sourcing information for: 404HTX-8D-3
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-410-5543

Item Name Code

05487

Assigment Date

01/28/1972 (54 years ago)

350.0 fahrenheit single response maximum operating temp, right-hand all ends thread direction, ball flow control device, spring disk loading method, 3a all ends thread class

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
Flow Control Device: ball
Disk Loading Method: spring
Maximum Operating Temp: 350.0 fahrenheit single response
End Item Identification: grumman aerospace a10 aircraft
Connection Style: flared (tube) all ends
Valve Operation Method: automatic
Connection Type: threaded external tube all ends
Mounting Position: horizontal or vertical
Thread Quantity Per Inch: 16 1st end
Maximum Operating Pressure: 1000.0 pounds per square inch single response
Nominal Thread Size: 0.750 inches all ends
Seat Angle: 37.0 degrees 1st end
Opening Pressure Setting: 3.0 pounds per square inch
Nominal Outside Diameter Tube Accommodated: 0.500 inches 1st end
Material: aluminum alloy 2014 body
Material: aluminum alloy 2014 seat
Material: steel comp 440c flow control device
Material Document And Classification: qq-a-367,comp 2014,t4 fed spec single material response body
Material Document And Classification: qq-a-367,comp 2014,t4 fed spec single material response seat
Material Document And Classification: qq-s-763,class 440c fed spec single material response flow control device
Media For Which Designed: hydraulic fluid, mineral base single response
Surface Treatment: anodize
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
404HTX-8D-3	Check Valve
404HTX8D3	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-410-5543?

The FSCG of the NSN 4820-00-410-5543 is 4820

Does the NSN 4820-00-410-5543 have a Schedule B code assigned?

Yes, the Schedule B code is 8481309000

Does NSN 4820-00-410-5543 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 4820-00-410-5543 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-410-5543 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 4820-00-410-5543 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Fri, Jan 28, 1972