4820-00-329-9667

Find complete technical information, availability, and procurement data for: 4820-00-329-9667
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 4820-00-329-9667 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

4820-00-329-9667

Item Name Code

05488

Assigment Date

12/09/1973 (52 years ago)

A circular shaped item with an aperture manufactured to predetermined dimensions, constructed with a rectangular cross section that may be solid, with joint, or in a helical form that facilitates spiral wrap installation. It prevents seal extrusion under pressure and is designed to fit on the down-pressure side of a gland groove with a packing, preformed or o-ring.

3b all ends thread class, poppet flow control device, spring disk loading method, right-hand all ends thread direction, 2.5 gallons per minute valve discharge flow rate

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
Flow Control Device: poppet
Disk Loading Method: spring
Valve Discharge Flow Rate: 2.5 gallons per minute
Maximum Operating Temp: 275.0 fahrenheit single response
Connection Style: gasket seal(boss) all ends
Valve Operation Method: automatic
Connection Type: threaded internal boss all ends
Features Provided: pressure tight outlet side
Adjustable Pressure Range: +500.0 to 825.0 pounds per square inch
Maximum Operating Pressure: 825.0 pounds per square inch single response
Nominal Thread Size: 0.437 inches all ends
Material: steel corrosion resisting body
Material: steel corrosion resisting flow control device
Material: steel corrosion resisting seat
Media For Which Designed: hydraulic fluid, petroleum base single response
Style Designator: straight thru note: to be used for valve bodies of one section only.
Thread Series Designator: unf all ends

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-728-7314	No Name Available	10/01/1990

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
1000-2	Safety Relief Valve
1701-11	Safety Relief Valve
1701-11A	Safety Relief Valve
MS28893-A4	Safety Relief Valve
MS28893A4-500	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-329-9667?

The FSCG of the NSN 4820-00-329-9667 is 4820

Does the NSN 4820-00-329-9667 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-329-9667 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 4820-00-329-9667 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-329-9667 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 4820-00-329-9667 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Sun, Dec 9, 1973