6685-00-531-4706

Find complete technical information, availability, and procurement data for: 6685-00-531-4706
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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

6685-00-531-4706

Item Name Code

07343

Assigment Date

01/01/1963 (63 years ago)

2.937 inches nominal overall depth, 3.160 inches nominal mounting bolt circle diameter, 3.578 inches nominal overall diameter, calibrated to chromel and alumel thermocouple scale calibration, 0.140 inches nominal unthreaded mounting hole diameter

Product Characteristics

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

Overall Depth: 2.937 inches nominal
Overall Diameter: 3.578 inches nominal
Unthreaded Mounting Hole Diameter: 0.140 inches nominal
Mounting Bolt Circle Diameter: 3.160 inches nominal
Scale Calibration: calibrated to chromel and alumel thermocouple
Scale Type: eccentric
Scale Smallest Increment: 10.0 deg fahrenheit
Scale Length: 2.500 inches nominal
Case Type: dustproof
Scale Accuracy Rating: 3 per cent accuracy rating
Scale Measurement Range: +800.000 to 1300.000 deg fahrenheit
Pointer/Pen Type And Quantity: 1 indicating single
Material: aluminum meter case

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
491-142	Indicating Pyrometer

FAQs

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

What is the FSCG of the NSN 6685-00-531-4706?

The FSCG of the NSN 6685-00-531-4706 is 6685

Does the NSN 6685-00-531-4706 have a Schedule B code assigned?

Yes, the Schedule B code is 9025194000

Does NSN 6685-00-531-4706 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 6685-00-531-4706 contain precious materials?

Precious metal content is unknown

Does NSN 6685-00-531-4706 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 6685-00-531-4706 was assigned to the Federal Catalog?

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