6685-00-003-1221

Find complete technical information, availability, and procurement data for: 6685-00-003-1221
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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

6685-00-003-1221

Item Name Code

07428

Assigment Date

06/07/1972 (54 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.

3.421 inches minimum and 3.515 inches maximum overall height, 2.834 inches minimum and 2.854 inches maximum bolt circle diameter, 6.188 inches nominal overall diameter, 0.209 inches minimum and 0.229 inches maximum mounting hole diameter, 3 mounting hole quantity

Product Characteristics

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

Bolt Circle Diameter: 2.834 inches minimum and 2.854 inches maximum
Overall Height: 3.421 inches minimum and 3.515 inches maximum
Mounting Hole Diameter: 0.209 inches minimum and 0.229 inches maximum
Mounting Hole Quantity: 3
Overall Diameter: 6.188 inches nominal
Indicator Type: pointer and indicator dial
Graduation Unit: 10.0 pounds per square inch
Measurement Unit: pounds per square inch (psi)
Actuation Type: double bourdon tube
Adjustability: nonadjustable
Scale Range: +0.000 to 160.000 pounds pressure per square inch
Scale Name: pressure
Dial Size: 4-1/2 in. dia
Connection Quantity: 2
Pointer Color: black and red
Pointer Type: indicating
Scale Type: single
Scale Smallest Increment: 2.0 pounds per square inch
Connection Type: external
Mounting Method: panel w/screws
Display Type: dial
Scale Accuracy: 2 percent of total dial range
Scale Inscription/Background Color: black numerals and graduations,white background
Connection Location: back, lower
Bezel Type: thread
Connection Size: 0.250 in. npt dia
Mounting Connection Location: back, lower
Connector Type Vent: not provided
Color: black case
Material: copper alloy actuating element
Material: glass protective crystal
Material: steel case
Surface Treatment: enamel case

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
6685-00-148-8089	No Name Available	08/01/1997
6685-01-080-8828	No Name Available	10/01/1996

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
2415800	Dial Indicating Pressure Gage

FAQs

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

What is the FSCG of the NSN 6685-00-003-1221?

The FSCG of the NSN 6685-00-003-1221 is 6685

Does the NSN 6685-00-003-1221 have a Schedule B code assigned?

Yes, the Schedule B code is 9026200000

Does NSN 6685-00-003-1221 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 6685-00-003-1221 contain precious materials?

Item does not contain precious metal.

Does NSN 6685-00-003-1221 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 6685-00-003-1221 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Wed, Jun 7, 1972