6685-00-066-4101

Find complete technical information, availability, and procurement data for: 6685-00-066-4101
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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

6685-00-066-4101

Item Name Code

07428

Assigment Date

01/01/1963 (63 years ago)

An instrument designed to measure air, gas, fluid, and vapor pressure by means of an internal pressure sensitive element (bellows, bourdon tube, transducer/transmitter and the like) which transmits energy, by direct linkage, to the indicating pointer of a scale or a digital display, calibrated in units of pressure. It may include a temperature equivalent scale. For items that do not have an internal pressure sensitive element see indicator, pressure.

0.157 inches nominal mounting hole diameter, 3.125 inches nominal bolt circle diameter, 3.500 inches nominal overall width, 3 mounting hole quantity, 1.300 inches nominal overall depth

Product Characteristics

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

Overall Depth: 1.300 inches nominal
Bolt Circle Diameter: 3.125 inches nominal
Overall Width: 3.500 inches nominal
Mounting Hole Diameter: 0.157 inches nominal
Mounting Hole Quantity: 3
Usage Design: w/all media not corrosive to brass and bronze
Graduation Unit: 50.0 pounds per square inch
Actuation Type: single bourdon tube
Adjustability: nonadjustable
Scale Range: +0.0 to 300.0 pounds pressure per square inch
Scale Name: pressure
Dial Size: 2-1/2 in. dia
Connection Quantity: 1
Pointer Color: black
Pointer Type: indicating
Scale Type: single
Scale Smallest Increment: 5.0 pounds per square inch
Connection Type: external
Mounting Method: surface wall
Scale Accuracy: 2 pct rating middle half,3 pct remainder
Scale Inscription/Background Color: black figures on white background
Connection Location: lower
Bezel Type: thread
Connection Size: 0.250 in. npt
Connector Type Vent: not provided
Color: black case
Material: copper alloy 511 actuating element
Material: copper alloy and steel case
Material: glass protective crystal
Surface Treatment: enamel case

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
6685-00-496-2462	No Name Available	06/28/1971

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
1019416	Dial Indicating Pressure Gage
114765-P500BF	Dial Indicating Pressure Gage
500-0-300-2-1-2	Dial Indicating Pressure Gage
AU-2951-A	Dial Indicating Pressure Gage
P500-0-300-2-1-2	Dial Indicating Pressure Gage
P500BF	Dial Indicating Pressure Gage
P500BF-0-300-2-1-2	Dial Indicating Pressure Gage

FAQs

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

What is the FSCG of the NSN 6685-00-066-4101?

The FSCG of the NSN 6685-00-066-4101 is 6685

Does the NSN 6685-00-066-4101 have a Schedule B code assigned?

Yes, the Schedule B code is 9026200000

Does NSN 6685-00-066-4101 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 6685-00-066-4101 contain precious materials?

Item does not contain precious metal.

Does NSN 6685-00-066-4101 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 6685-00-066-4101 was assigned to the Federal Catalog?

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