SVX1-4X185

View detailed technical data, stock status, and sourcing information for: SVX1-4X185
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-569-4551

Item Name Code

05488

Assigment Date

01/01/1963 (63 years ago)

2a 2nd end thread class, right-hand 2nd end thread direction, spring disk loading method, ball 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: 2a 2nd end
Thread Direction: right-hand 1st end
Thread Direction: right-hand 2nd end
Flow Control Device: ball
Disk Loading Method: spring
Connection Style: plain (pipe) 1st end
Connection Style: plain (pipe) 2nd end
Valve Operation Method: automatic
Connection Type: threaded external pipe 1st end
Connection Type: threaded external pipe 2nd end
Nominal Thread Size: 0.250 inches 1st end
Nominal Thread Size: 0.500 inches 2nd end
Opening Pressure Setting: 185.0 pounds per square inch
Special Features: two 0.125 in. dia 0.125 in. deep holes on ea side spaced 180 deg apart,hex wrenching features
Material: copper alloy overall
Style Designator: straight thru
Thread Series Designator: npt 1st end
Thread Series Designator: unf 2nd end

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
SV1-4-185	Safety Relief Valve
SVX1-4X185	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-569-4551?

The FSCG of the NSN 4820-00-569-4551 is 4820

Does the NSN 4820-00-569-4551 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-569-4551 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 4820-00-569-4551 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-569-4551 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 4820-00-569-4551 was assigned to the Federal Catalog?

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