6685-01-068-7703

Find complete technical information, availability, and procurement data for: 6685-01-068-7703
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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

6685-01-068-7703

Item Name Code

07428

Assigment Date

12/01/1978 (47 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.

6.312 inches nominal overall diameter, bourdon tube actuation type, 3.875 inches nominal bolt circle diameter, 3.734 inches nominal overall depth, 500.000 pounds per square inch graduation unit

Product Characteristics

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

Overall Depth: 3.734 inches nominal
Bolt Circle Diameter: 3.875 inches nominal
Overall Diameter: 6.312 inches nominal
Graduation Unit: 500.000 pounds per square inch
Actuation Type: bourdon tube
Adjustability: adjustable
Scale Range: +0.000 to 3000.000 pounds pressure per square inch
Scale Name: high pressure
Dial Size: 4-1/2 in. dia
Connection Quantity: 1
Pointer Color: black
Pointer Type: indicating
Scale Marking: hydraulic
Scale Type: dial
Scale Smallest Increment: 100.000 pounds per square inch
Connection Type: external
Mounting Method: flush panel
Stud Quantity: 2
Scale Accuracy: 1 pct full range
Scale Inscription/Background Color: black markings on white background
Connection Location: lower back
Connection Size: 0.250 npt
Stud Location: back, center
Connector Type Vent: not provided
Special Features: w/ recalibrator
Color: black case
Material: glass or plastic protective crystal
Material: steel case
Material: steel corrosion resisting actuating element
Surface Treatment: enamel and zinc 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
H6078	Dial Indicating Pressure Gage

FAQs

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

What is the FSCG of the NSN 6685-01-068-7703?

The FSCG of the NSN 6685-01-068-7703 is 6685

Does the NSN 6685-01-068-7703 have a Schedule B code assigned?

Yes, the Schedule B code is 9026200000

Does NSN 6685-01-068-7703 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 6685-01-068-7703 contain precious materials?

Precious metal content is unknown

Does NSN 6685-01-068-7703 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 6685-01-068-7703 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Fri, Dec 1, 1978