18989C

View detailed technical data, stock status, and sourcing information for: 18989C
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-190-5867

Item Name Code

16996

Assigment Date

09/28/1984 (41 years ago)

150.0 fahrenheit temp rating, 0.250 inches nominal first end outside diameter tube accommodated, straight thru body style, unthreaded internal tube first end connection type, streanlined with one brazing ring first end style designator

Product Characteristics

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

Body Style: straight thru
Temp Rating: 150.0 fahrenheit
First End Connection Type: unthreaded internal tube
First End Style Designator: streanlined with one brazing ring
First End Outside Diameter Tube Accommodated: 0.250 inches nominal
Second End Relationship With First End: identical
Flow Control Device: diaphragm
End Connection Quantity: 2
Opening Pressure Setting: 5.0 pounds per square inch
Temp Adjustability: adjustable
Temp Control Device Type: thermostatic
Special Features: with upstream strainer
Material: copper alloy body

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
18989C	Pressure and Temper Relief Valve
18989C ASSEMBLY AWR	Pressure and Temper Relief Valve
TYPE AWR DWG189	Pressure and Temper Relief Valve
U301126007	Pressure and Temper Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-190-5867?

The FSCG of the NSN 4820-01-190-5867 is 4820

Does the NSN 4820-01-190-5867 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-190-5867 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 4820-01-190-5867 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-190-5867 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 4820-01-190-5867 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Fri, Sep 28, 1984