6685-00-143-6690

Find complete technical information, availability, and procurement data for: 6685-00-143-6690
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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

6685-00-143-6690

Item Name Code

07425

Assigment Date

02/17/1969 (57 years ago)

A combination instrument designed to measure and indicate temperature and pressure or temperature and vacuum, on one or more dial(s). Excludes:gage, compound pressure-vacuum, dial indicating; gage, altitude and pressure, dial indicating; gage, altitude and temperature, dial indicating and gage, pressure, dial indicating.

3.000 inches nominal bolt circle diameter, 3 mounting hole quantity, 1.000 inches nominal overall depth, 3.469 inches nominal overall diameter, 0.140 inches nominal 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: 1.000 inches nominal
Bolt Circle Diameter: 3.000 inches nominal
Mounting Hole Diameter: 0.140 inches nominal
Mounting Hole Quantity: 3
Overall Diameter: 3.469 inches nominal
Case Material: unable to decode
End Item Identification: air,stratofortress,b-52
Graduation Unit: 10.0 degrees and 30.0 inches and 30.0 pounds per square inch
Actuation Type: single bourdon tube
Adjustability: adjustable
Scale Range: -30.0 to 140.0 deg fahrenheit and +0.0 to 30.0 inches of mercury and +0.0 to 300.0 pounds pressure per square inch
Scale Name: pressure and vacuum and temperature
Dial Size: 2-1/2 in. dia
Connection Quantity: 1
Pointer Color: black
Pointer Type: indicating
Scale Marking: r12,vac-pressure per sq in. temperature deg f
Scale Type: multiple
Scale Smallest Increment: 2.0 degrees and 5.0 inches and 5.0 pounds per square inch
Connection Type: external
Mounting Method: flush panel
Scale Accuracy: 2 pct accuracy rating middle half of range,3 pct remainder; 2 pct accuracy rating middle half of range,3 pct remainder; 2 pct accuracy rating middle half of range,3 pct remainder
Actuating Element Material: unable to decode
Scale Inscription/Background Color: black figures on white background; black figures on white background; red figures on white background
Scale Name For Which Pointer Is Designed: pressure and vacuum and temperature
Connection Location: back, center
Bezel Type: snap-on
Protective Crystal Material: unable to decode
Connection Size: 0.250 in. npt dia
Connector Type Vent: not provided
Material: steel
Surface Treatment: phosphate and enamel

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
6685-00-014-4622	No Name Available	01/21/1973
6685-00-445-0816	No Name Available	06/01/1970
6685-00-624-0732	No Name Available	04/13/1970

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
13214E0732	Compound Pressure-Vacuum-Te Gage
2 1-2-56F12D300X30	Compound Pressure-Vacuum-Te Gage
5-489000004	Compound Pressure-Vacuum-Te Gage
56D30X300	Compound Pressure-Vacuum-Te Gage
723898-196	Compound Pressure-Vacuum-Te Gage

FAQs

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

What is the FSCG of the NSN 6685-00-143-6690?

The FSCG of the NSN 6685-00-143-6690 is 6685

Does the NSN 6685-00-143-6690 have a Schedule B code assigned?

Yes, the Schedule B code is 9026200000

Does NSN 6685-00-143-6690 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 6685-00-143-6690 contain precious materials?

Item does not contain precious metal.

Does NSN 6685-00-143-6690 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 6685-00-143-6690 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Mon, Feb 17, 1969