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4820-00-425-2003

Find complete technical information, availability, and procurement data for: 4820-00-425-2003

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4820-00-425-2003
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-00-425-2003
Item Name Code
05488
Assigment Date
01/01/1963 (63 years ago)

disk flow control device, right-hand 1st end thread direction, flare(tube) 1st end connection style, 2b 1st end thread class, right-hand 2nd 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
2b 1st end
Thread Direction
right-hand 1st end
Thread Direction
right-hand 2nd end
Flow Control Device
disk
Connection Style
flare(tube) 1st end
Connection Style
plain (pipe) 2nd end
Valve Operation Method
automatic
Connection Type
threaded external pipe 2nd end
Connection Type
threaded internal tube 1st end
Maximum Operating Pressure
200.0 pounds per square inch single response
Nominal Thread Size
0.250 inches 2nd end
Nominal Thread Size
0.438 inches 1st end
Nominal Outside Diameter Tube Accommodated
0.250 inches 1st end
Style Designator
angle
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Below is a list of NSNs that have been officially superseded by this NSN: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
4310-00-354-7898 No Name Available 01/01/1963

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
301SA117 Safety Relief Valve
301SA152 Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-425-2003?
The FSCG of the NSN 4820-00-425-2003 is 4820
Does the NSN 4820-00-425-2003 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-00-425-2003 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 4820-00-425-2003 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-425-2003 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 4820-00-425-2003 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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