4820-00-883-4550

Find complete technical information, availability, and procurement data for: 4820-00-883-4550
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 4820-00-883-4550 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

4820-00-883-4550

Item Name Code

05488

Assigment Date

01/01/1963 (63 years ago)

poppet flow control device, right-hand 2nd end thread direction, 0.500 inches 2nd end nominal pipe size accommodated, 3a 1st end thread class, 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.

Nominal Pipe Size Accommodated: 0.500 inches 2nd end
Thread Class: 3a 1st end
Thread Direction: right-hand 1st end
Thread Direction: right-hand 2nd end
Flow Control Device: poppet
Bonnet Type: inside spring
Bonnet Attachment Method: integral
Disk Loading Method: spring
Connection Style: flared (tube) 1st end
Connection Style: plain (pipe) 2nd end
Valve Operation Method: automatic
Connection Type: threaded external pipe 2nd end
Connection Type: threaded external tube 1st end
Features Provided: valve stem lock shield
Thread Quantity Per Inch: 14 2nd end
Maximum Operating Pressure: 450.0 pounds per square inch single response
Nominal Thread Size: 0.500 inches 2nd end
Nominal Thread Size: 0.875 inches 1st end
Seat Angle: 37.0 degrees 1st end
Opening Pressure Setting: 300.0 pounds per square inch
Nominal Outside Diameter Tube Accommodated: 0.625 inches 1st end
Material: copper alloy body
Material: copper alloy seat
Material: steel and rubber synthetic flow control device
Media For Which Designed: air single response
Thread Series Designator: npt 2nd end
Thread Series Designator: unf 1st end

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4310-00-786-9447	No Name Available	09/01/1978

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
0609P55	Safety Relief Valve
1187007	Safety Relief Valve
157R1R17	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-883-4550?

The FSCG of the NSN 4820-00-883-4550 is 4820

Does the NSN 4820-00-883-4550 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-883-4550 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 4820-00-883-4550 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-883-4550 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 4820-00-883-4550 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963