4C203A2

View detailed technical data, stock status, and sourcing information for: 4C203A2
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 part 4C203A2 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

4820-01-046-0743

Item Name Code

05487

Assigment Date

08/11/1977 (49 years ago)

gasket seal (boss) all ends connection style, 480.0 fahrenheit single response maximum operating temp, right-hand all ends thread direction, 3b all ends thread class, automatic valve operation 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: 3b all ends
Thread Direction: right-hand all ends
Maximum Operating Temp: 480.0 fahrenheit single response
Connection Style: gasket seal (boss) all ends
Valve Operation Method: automatic
Connection Type: threaded internal boss all ends
Mounting Position: horizontal or vertical
Maximum Operating Pressure: 600.0 pounds per square inch single response
Nominal Thread Size: 0.438 inches all ends
Material: aluminum alloy 2024 body
Media For Which Designed: air 1st response
Media For Which Designed: carbon dioxide 2nd response
Media For Which Designed: nitrogen, gaseous 4th response
Media For Which Designed: oxygen, gaseous 3rd response
Surface Treatment: anodize
Surface Treatment Document And Classification: mil-a-8625,ty 1 mil spec single treatment response
Style Designator: straight thru
Supplementary Features: flow control device: diaphragm
Thread Series Designator: unjf 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
4820PL1606659	Check Valve
4C203A2	Check Valve
824A4JJ	Check Valve
C7553A2-4	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-046-0743?

The FSCG of the NSN 4820-01-046-0743 is 4820

Does the NSN 4820-01-046-0743 have a Schedule B code assigned?

Yes, the Schedule B code is 8481309000

Does NSN 4820-01-046-0743 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 4820-01-046-0743 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-046-0743 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 4820-01-046-0743 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Thu, Aug 11, 1977