6685-00-393-6435

Find complete technical information, availability, and procurement data for: 6685-00-393-6435
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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

6685-00-393-6435

Item Name Code

16516

Assigment Date

01/01/1963 (63 years ago)

A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes:packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.

2.000 inches nominal overall height, 2.547 inches minimum and 2.552 inches maximum largest outside diameter, butterfly flow control device, flange mounting method, engine temp coolant usage design

Product Characteristics

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

Overall Height: 2.000 inches nominal
Mounting Method: flange
Flow Control Device: butterfly
Largest Outside Diameter: 2.547 inches minimum and 2.552 inches maximum
Usage Design: engine temp coolant
Valve Travel Distance: 0.406 inches nominal
Thermostat Type: solid expansion
Opening Temp Rating: 177.0 fahrenheit minimum and 182.0 fahrenheit maximum
Operating Temp Rating: 202.0 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Below is a list of NSNs that have been officially superseded by this NSN: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
6680-00-318-9453	No Name Available	01/13/1971
6685-00-377-5111	No Name Available	01/01/1963
6680-00-530-2287	No Name Available	03/25/1974

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
800C335	Flow Control Thermostat
DVL3-180	Flow Control Thermostat
DVL3-180C	Flow Control Thermostat
H260K413	Flow Control Thermostat
RD6K3020	Flow Control Thermostat

FAQs

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

What is the FSCG of the NSN 6685-00-393-6435?

The FSCG of the NSN 6685-00-393-6435 is 6685

Does NSN 6685-00-393-6435 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 6685-00-393-6435 contain precious materials?

Precious metal content is unknown

Does NSN 6685-00-393-6435 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 6685-00-393-6435 was assigned to the Federal Catalog?

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