255715R92

View detailed technical data, stock status, and sourcing information for: 255715R92
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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

6685-00-514-4006

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.

flange mounting method, 2.552 inches nominal largest outside diameter, choke flow control device, control engine coolant temp usage design, 2.030 inches minimum and 2.250 inches maximum overall height

Product Characteristics

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

Overall Height: 2.030 inches minimum and 2.250 inches maximum
Mounting Method: flange
Flow Control Device: choke
Largest Outside Diameter: 2.552 inches nominal
Usage Design: control engine coolant temp
Valve Travel Distance: 0.313 inches nominal
Thermostat Type: bellows
Opening Temp Rating: 130.0 fahrenheit minimum and 135.0 fahrenheit maximum
Operating Temp Rating: 155.0 fahrenheit nominal
Spring Operated Pressure Relief: not provided

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
6685-00-096-6468	No Name Available	09/01/1978
6680-00-511-2754	No Name Available	01/01/1963

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
255715R92	Flow Control Thermostat
261590R91	Flow Control Thermostat
261590R92	Flow Control Thermostat
2E75	Flow Control Thermostat
3121244	Flow Control Thermostat
317668R91	Flow Control Thermostat
6685-314390	Flow Control Thermostat

FAQs

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

What is the FSCG of the NSN 6685-00-514-4006?

The FSCG of the NSN 6685-00-514-4006 is 6685

Does NSN 6685-00-514-4006 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 6685-00-514-4006 contain precious materials?

Precious metal content is unknown

Does NSN 6685-00-514-4006 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 6685-00-514-4006 was assigned to the Federal Catalog?

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