6685-00-527-6543

Find complete technical information, availability, and procurement data for: 6685-00-527-6543
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Federal Supply Group

Instruments and Laboratory Equipment

Federal Supply Classification

6685 Humidity Measuring and Controlling Instruments, Temperature and Pressure

National Stock Number

6685-00-527-6543

Item Name Code

16516

Assigment Date

01/01/1963 (63 years ago)

An automatic regulating device which controls the flow of fluids or gases by actuating a valve or shutter for heating or cooling purposes. May be adjustable, or set to operate at a definite pressure. Excludes:control, humidity; control, temperature indicating; and switch, thermostatic.

2.484 inches nominal largest outside diameter, cool water system usage design, flange mounting method, 1.875 inches nominal overall height, choke flow control device

Product Characteristics

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

Overall Height: 1.875 inches nominal
Mounting Method: flange
Flow Control Device: choke
Largest Outside Diameter: 2.484 inches nominal
Usage Design: cool water system
Valve Travel Distance: 0.313 inches nominal
Thermostat Type: bellows
Opening Temp Rating: 185.0 fahrenheit nominal
Operating Temp Rating: 190.0 fahrenheit nominal
Spring Operated Pressure Relief: not provided
Fsc Application Data: engine,instrument

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2805-00-176-6713	No Name Available	10/10/1966

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
357A5	Flow Control Thermostat
M600K3100	Flow Control Thermostat

FAQs

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

What is the FSCG of the NSN 6685-00-527-6543?

The FSCG of the NSN 6685-00-527-6543 is 6685

Does NSN 6685-00-527-6543 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 6685-00-527-6543 contain precious materials?

Item does not contain precious metal.

Does NSN 6685-00-527-6543 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 6685-00-527-6543 was assigned to the Federal Catalog?

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