6685-00-900-5428

Find complete technical information, availability, and procurement data for: 6685-00-900-5428
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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

6685-00-900-5428

Item Name Code

07419

Assigment Date

01/01/1960 (66 years ago)

concentric dial scale type, unc mounting facility screw thread series designator, 2.281 inches nominal case diameter, 2.250 inches nominal dial diameter, 0.875 inches nominal overall width

Product Characteristics

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

Case Diameter: 2.281 inches nominal
Overall Width: 0.875 inches nominal
Mounting Facility Screw Thread Series Designator: unc
Dial Diameter: 2.250 inches nominal
Scale Type: concentric dial
Scale Smallest Increment: 17.0 deg fahrenheit
Mounting Facility Type And Quantity: 2 threaded stud and 1 bracket
Scale Inscription/Background Color: white marking on black background,critical temp for shutdown marked red
Actuating Medium: methyl chloride
Bulb Quantity: 1
Bulb Type: flexible capillary
Bulb Connection Type: integral flange
Active Portion Length: 1.187 inches nominal
Active Portion Diameter: 0.375 inches nominal
Indicator Connection Method: flexible tube
Flexible Tube Length: 30.000 inches nominal
Mounting Thread Quantity: 32 per inch
Mounting Facility Nominal Screw Thread Diameter: 0.164 inches
Scale Measurement Range: +100.000 to 250.000 deg fahrenheit
Bulb Overall Length: 3.000 inches nominal
Pointer/Pen Type And Quantity: 1 indicating single
Special Features: electric switch built in to meter dial to shut unit off if temperature exceeds 227 degrees f. temperature location of switching point adjustable from outside the front of meter
Material: copper alloy bulb
Material: steel 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
20T0	Capillary Indicating Thermometer
20T0-250X4	Capillary Indicating Thermometer
SR021S	Capillary Indicating Thermometer

FAQs

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

What is the FSCG of the NSN 6685-00-900-5428?

The FSCG of the NSN 6685-00-900-5428 is 6685

Does the NSN 6685-00-900-5428 have a Schedule B code assigned?

Yes, the Schedule B code is 9025114000

Does NSN 6685-00-900-5428 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 6685-00-900-5428 contain precious materials?

Precious metal content is unknown

Does NSN 6685-00-900-5428 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 6685-00-900-5428 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960