1/2-1543D 168PSI SET

View detailed technical data, stock status, and sourcing information for: 1/2-1543D 168PSI SET
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-389-0491

Item Name Code

05488

Assigment Date

04/14/1994 (32 years ago)

A control consisting of a wire, wire rope, or a center load rail with ball bearings, within a flexible conduit. One end must have a threaded sleeve for mounting to a wall, bulkhead, or handle, or clevis. It is used to operate or control, either manually or mechanically a mechanical device. It may include such attaching devices as nut(s), washer(s), clevis, bracket(s), and/or the like. For items designed to transmit rotary motion, see shaft assembly, flexible.

right-hand all ends thread direction, plain,optional end(pipe) 2nd end connection style, disk flow control device, 406.0 fahrenheit single response maximum operating temp, plain (pipe) 1st end connection style

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Direction: right-hand all ends
Flow Control Device: disk
Maximum Operating Temp: 406.0 fahrenheit single response
Connection Style: plain (pipe) 1st end
Connection Style: plain,optional end(pipe) 2nd end
Valve Operation Method: automatic or manual
Connection Type: threaded external pipe 1st end
Connection Type: threaded internal pipe 2nd end
Maximum Operating Pressure: 250.0 pounds per square inch single response
Nominal Thread Size: 0.500 inches 1st end
Nominal Thread Size: 0.750 inches 2nd end
Opening Pressure Setting: 168.0 pounds per square inch
Material: copper alloy body
Material: copper alloy flow control device
Material: steel corrosion resisting stem
Style Designator: angle
Thread Series Designator: npt all ends
Furnished Items And Quantity: 1 lever

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
1/2-1543D 168PSI SET	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-389-0491?

The FSCG of the NSN 4820-01-389-0491 is 4820

Does the NSN 4820-01-389-0491 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-389-0491 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 4820-01-389-0491 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-389-0491 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 4820-01-389-0491 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Thu, Apr 14, 1994