LF4L

View detailed technical data, stock status, and sourcing information for: LF4L
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-697-2327

Item Name Code

16996

Assigment Date

09/09/2021 (4 years ago)

A metal ring designed to provide a seating surface for a valve, poppet, engine it is made of special high-grade alloy metal that can withstand high operating temperatures. For fluid valves, see seat, valve.

plain first end style designator, threaded external pipe first end connection type, 0.750 inches first end nominal pipe size accommodated, not identical second end relationship with first end, water, fresh media for which designed

Product Characteristics

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

Media For Which Designed: water, fresh
First End Connection Type: threaded external pipe
First End Style Designator: plain
First End Nominal Pipe Size Accommodated: 0.750 inches
Second End Relationship With First End: not identical
Second End Connection Type: threaded internal pipe
Second End Style Designator: plain
Second End Nominal Pipe Size Accommodated: 0.750 inches
Flow Control Device: poppet
End Connection Quantity: 2
Opening Pressure Setting: 150.0 pounds per square inch
Temp Adjustability: not adjustable
First End Thread Series Designator: npt
Second End Thread Series Designator: npt
Part Name Assigned By Controlling Agency: valve, pressure relief poppet type
Special Features: lead free
Material: copper body
Material: silicon flow control device

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
CF-72KW ITEM 5	Pressure and Temper Relief Valve
LF4L	Pressure and Temper Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-697-2327?

The FSCG of the NSN 4820-01-697-2327 is 4820

Does the NSN 4820-01-697-2327 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-697-2327 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 4820-01-697-2327 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-697-2327 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 4820-01-697-2327 was assigned to the Federal Catalog?

It was assigned 4 years ago, on Thu, Sep 9, 2021