6685-01-050-1830

Find complete technical information, availability, and procurement data for: 6685-01-050-1830
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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

6685-01-050-1830

Item Name Code

07428

Assigment Date

11/01/1977 (48 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.

4.250 inches nominal bolt circle diameter, 4.750 inches nominal overall diameter, 3 mounting hole quantity, 2.500 inches nominal overall depth, 0.219 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: 2.500 inches nominal
Bolt Circle Diameter: 4.250 inches nominal
Mounting Hole Diameter: 0.219 inches nominal
Mounting Hole Quantity: 3
Overall Diameter: 4.750 inches nominal
Graduation Unit: 800.0 pounds per square inch
Actuation Type: bourdon tube
Adjustability: adjustable
Scale Range: +0.000 to 8000.000 pounds pressure per square inch
Scale Name: pressure
Dial Size: 3-1/2 in. dia
Connection Quantity: 1
Pointer Color: black and red
Pointer Type: indicating and reference
Scale Type: single
Scale Smallest Increment: 100.0 pounds per square inch
Connection Type: external
Mounting Method: flush panel
Scale Accuracy: 1 pct above 5 pct scale range
Scale Inscription/Background Color: white background,black graduations and marings
Connection Location: back
Connection Size: 0.438 in. tube
Connector Type Vent: not provided
Special Features: 7/16-20 unf 2a flareless bite-type tube fitting per mil-f-18866 for connection data
Color: gray/grey case
Material: aluminum case
Material: nickel alloy k-500 actuating element
Material: plastic protective crystal
Material Document And Classification: qq-n-286, class a fed spec single material response actuating element
Surface Treatment: anodize and enamel case
Surface Treatment Document And Classification: mil-c-5541 mil spec single treatment response case

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
6685-01-047-5109	No Name Available	04/01/1993

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
SG3NN8KPWRANAG	Dial Indicating Pressure Gage

FAQs

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

What is the FSCG of the NSN 6685-01-050-1830?

The FSCG of the NSN 6685-01-050-1830 is 6685

Does the NSN 6685-01-050-1830 have a Schedule B code assigned?

Yes, the Schedule B code is 9026200000

Does NSN 6685-01-050-1830 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 6685-01-050-1830 contain precious materials?

Precious metal content is unknown

Does NSN 6685-01-050-1830 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 6685-01-050-1830 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Tue, Nov 1, 1977