6685-00-138-2543

Find complete technical information, availability, and procurement data for: 6685-00-138-2543
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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

6685-00-138-2543

Item Name Code

07419

Assigment Date

08/09/1971 (54 years ago)

A thermometer which employs a confined substance, whose measurable physical properties or one of them varies with a change in temperatrue and this energy transmitted into mechanical movement to indicate the temperature. For indoor/outdoor application, see thermometer, self-indicating, liquid in glass.

5.375 inches nominal mounting bolt circle diameter, 5.875 inches nominal case diameter, 4.500 inches nominal dial diameter, concentric scale type, 0.219 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.

Case Diameter: 5.875 inches nominal
Unthreaded Mounting Hole Diameter: 0.219 inches nominal
Mounting Bolt Circle Diameter: 5.375 inches nominal
Dial Diameter: 4.500 inches nominal
Scale Type: concentric
Scale Smallest Increment: 5.0 deg fahrenheit
Mounting Facility Type And Quantity: 1 surface and 3 hole
Scale Inscription/Background Color: black marking on yellow background
Case Type: dustproof
Actuating Medium: gas thermal
Scale Accuracy Rating: 1.0 pct
Bulb Quantity: 1
Bulb Type: plain rigid
Bulb Connection Type: integral flange
Active Portion Length: 3.500 inches nominal
Active Portion Diameter: 0.975 inches nominal
Indicator Connection Method: flexible tube
Flexible Tube Length: 35.000 inches nominal
Features Provided: zero adjustment
Scale Measurement Range: +50.000 to 550.000 deg fahrenheit
Bulb Overall Length: 8.000 inches nominal
Pointer/Pen Type And Quantity: 1 indicating single
Material: aluminum meter case
Material: steel corrosion resisting bulb
Nondefinitive Spec/Std Data: c class

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
41GNN00RZ35Y	Capillary Indicating Thermometer
45-6455DG41R080T35P0-500F	Capillary Indicating Thermometer
45-T8478K-41E-080-0350-50-550F	Capillary Indicating Thermometer
IFR-45-55-A-035-08-B	Capillary Indicating Thermometer

FAQs

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

What is the FSCG of the NSN 6685-00-138-2543?

The FSCG of the NSN 6685-00-138-2543 is 6685

Does the NSN 6685-00-138-2543 have a Schedule B code assigned?

Yes, the Schedule B code is 9025114000

Does NSN 6685-00-138-2543 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 6685-00-138-2543 contain precious materials?

Item does not contain precious metal.

Does NSN 6685-00-138-2543 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 6685-00-138-2543 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Mon, Aug 9, 1971