6685-00-553-8731

Find complete technical information, availability, and procurement data for: 6685-00-553-8731
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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

6685-00-553-8731

Item Name Code

07424

Assigment Date

01/01/1963 (63 years ago)

0.188 inches nominal mounting hole diameter, 4.250 inches nominal bolt circle diameter, 3 mounting hole quantity, 4.750 inches nominal overall diameter, 1.422 inches nominal overall depth

Product Characteristics

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

Overall Depth: 1.422 inches nominal
Bolt Circle Diameter: 4.250 inches nominal
Mounting Hole Diameter: 0.188 inches nominal
Mounting Hole Quantity: 3
Overall Diameter: 4.750 inches nominal
Case Material: unable to decode
Accessory Components And Quantity: adapter 1; nipple 1; sleeve 1; tee handle valve
Graduation Unit: 5.0 inches and 5.0 pounds per square inch
Actuation Type: double bourdon tube
Adjustability: nonadjustable
Scale Range: +0.0 to 30.0 inches of mercury and +0.0 to 15.0 pounds pressure per square inch
Scale Name: pressure and vacuum
Dial Size: 3-1/2 in. dia
Connection Quantity: 1
Pointer Color: black
Pointer Type: indicating
Scale Marking: pressure and vacuum
Scale Type: multiple
Scale Smallest Increment: 1.0 inches and 1.0 pounds per square inch
Connection Type: external
Mounting Method: surface wall
Scale Accuracy: 1 pct entire range
Actuating Element Material: unable to decode
Scale Inscription/Background Color: black figures on white background
Scale Name For Which Pointer Is Designed: pressure-vacuum
Connection Location: lower
Bezel Type: slips-on
Protective Crystal Material: unable to decode
Connection Size: 0.250 in. npt dia
Connector Type Vent: not provided
Material: copper alloy
Surface Treatment: polished 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
T10921	Di Compound Pressure-Vacuum Gage

FAQs

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

What is the FSCG of the NSN 6685-00-553-8731?

The FSCG of the NSN 6685-00-553-8731 is 6685

Does the NSN 6685-00-553-8731 have a Schedule B code assigned?

Yes, the Schedule B code is 9026200000

Does NSN 6685-00-553-8731 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 6685-00-553-8731 contain precious materials?

Precious metal content is unknown

Does NSN 6685-00-553-8731 contain hazardous materials?

Indicates information is in the hazardous materials information resource system (hmirs).

When the NSN 6685-00-553-8731 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963