1608-4

View detailed technical data, stock status, and sourcing information for: 1608-4
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-336-9643

Item Name Code

05487

Assigment Date

12/19/1973 (52 years ago)

poppet flow control device, right-hand all ends thread direction, 0.562 inches offset distance, spring disk loading method, plain, optional end (pipe) all ends 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
Offset Distance: 0.562 inches
Flow Control Device: poppet
Disk Loading Method: spring
Connection Style: plain, optional end (pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Mounting Position: horizontal or vertical
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 0.500 inches all ends
Special Features: furnished w/two unthd mtg holes 0.343 in. dia,valve is pilot operated w/thd int pilot port 0.250-18 npt
Material: plastic packing
Material: steel body
Material: steel flow control device
Material: steel seat
Media For Which Designed: hydraulic fluid, petroleum base single response
Style Designator: straight thru w/offset
Thread Series Designator: npt 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
1608-4	Check Valve
1608-4F	Check Valve
989203	Check Valve
989254	Check Valve
989263	Check Valve
LD1-50-1S	Check Valve
XRT-1608-4	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-336-9643?

The FSCG of the NSN 4820-00-336-9643 is 4820

Does the NSN 4820-00-336-9643 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-00-336-9643 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 4820-00-336-9643 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-336-9643 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 4820-00-336-9643 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Wed, Dec 19, 1973