4820-00-204-1955

Find complete technical information, availability, and procurement data for: 4820-00-204-1955
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 4820-00-204-1955 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

4820-00-204-1955

Item Name Code

27828

Assigment Date

01/01/1963 (63 years ago)

disk flow control device, integral bonnet attachment method, 3b all ends thread class, inside screw bonnet type, right-hand all ends 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: 3b all ends
Thread Direction: right-hand all ends
Flow Control Device: disk
Bonnet Type: inside screw
Bonnet Attachment Method: integral
Disk Loading Method: spring
Maximum Operating Temp: 160.0 fahrenheit single response
Connection Style: gasket seal (boss) all ends
Valve Operation Method: manual
Connection Type: threaded internal boss all ends
Mounting Facility: threaded fastener
Mounting Position: horizontal or vertical
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 0.750 inches all ends
Nominal Outside Diameter Tube Accommodated: 0.500 inches all ends
Material: aluminum alloy seat
Material: aluminum alloy body
Material: steel flow control device
Media For Which Designed: hydraulic fluid, phosphate-ester base single response
Style Designator: straight thru
Supplementary Features: optional flow control device: stem
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
1-1254-1-2	Lift-Check Valve
668101-1	Lift-Check Valve
668101-4	Lift-Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-204-1955?

The FSCG of the NSN 4820-00-204-1955 is 4820

Does the NSN 4820-00-204-1955 have a Schedule B code assigned?

Yes, the Schedule B code is 8481309000

Does NSN 4820-00-204-1955 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 4820-00-204-1955 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-204-1955 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 4820-00-204-1955 was assigned to the Federal Catalog?

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