4820-00-202-5538

Find complete technical information, availability, and procurement data for: 4820-00-202-5538
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 4820-00-202-5538 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

4820-00-202-5538

Item Name Code

05488

Assigment Date

01/01/1963 (63 years ago)

3a 1st end thread class, spring disk loading method, 3000.0 pounds per hour valve discharge flow rate, disk flow control device, 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
Flow Control Device: disk
Disk Loading Method: spring
Valve Discharge Flow Rate: 3000.0 pounds per hour
Connection Style: flared (tube) 1st end
Valve Operation Method: automatic
Connection Type: threaded external tube 1st end
Mounting Facility: threaded fastener
Features Provided: pressure tight outlet side
Thread Quantity Per Inch: 20 1st end
Maximum Operating Pressure: 3800.0 pounds per square inch single response
Nominal Thread Size: 0.437 inches 1st end
Seat Angle: 37.0 degrees 1st end
Opening Pressure Setting: 3450.0 pounds per square inch
Nominal Outside Diameter Tube Accommodated: 0.250 inches 1st end
Material: aluminum alloy seat
Material: aluminum alloy body
Material: steel corrosion resisting stem
Media For Which Designed: air single response
Style Designator: straight thru
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Below is a list of NSNs that have been officially superseded by this NSN: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
1650-00-529-1116	No Name Available	01/01/1961
1650-00-540-0360	No Name Available	01/01/1960
1650-00-541-0726	No Name Available	01/01/1960
1650-00-852-2350	No Name Available	01/01/1960

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
2394210	Safety Relief Valve
25-72002-1	Safety Relief Valve
30F73935	Safety Relief Valve
HPC156100	Safety Relief Valve
MC1603-3450	Safety Relief Valve
MC1613-3450	Safety Relief Valve
MC1613-3500	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-202-5538?

The FSCG of the NSN 4820-00-202-5538 is 4820

Does the NSN 4820-00-202-5538 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-202-5538 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 4820-00-202-5538 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-202-5538 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 4820-00-202-5538 was assigned to the Federal Catalog?

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