6685-00-631-4664

Find complete technical information, availability, and procurement data for: 6685-00-631-4664
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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

6685-00-631-4664

Item Name Code

07428

Assigment Date

01/01/1963 (63 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.

1.219 inches nominal overall diameter, single bourdon tube actuation type, 0.656 inches nominal overall depth, nonadjustable adjustability, 10.0 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: 0.656 inches nominal
Overall Diameter: 1.219 inches nominal
Graduation Unit: 10.0 pounds per square inch
Actuation Type: single bourdon tube
Adjustability: nonadjustable
Scale Range: +0.0 to 30.0 pounds pressure per square inch
Scale Name: pressure
Dial Size: 1-3/32 in. dia
Connection Quantity: 1
Pointer Color: black
Pointer Type: indicating
Scale Marking: pressure psi
Scale Type: single
Scale Smallest Increment: 3.0 pounds per square inch
Connection Type: internal
Mounting Method: rigid stem
Scale Accuracy: 3 pct entire range
Scale Inscription/Background Color: minor graduation green,major graduation red
Scale Name For Which Pointer Is Designed: pressure
Connection Location: back
Bezel Type: slips-on
Connection Size: 7/16 in. -20 nf
Connector Type Vent: not provided
Material: brass case
Material: bronze actuating element
Material: plastic protective crystal
Surface Treatment: nickel 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
AW1-21A10	Dial Indicating Pressure Gage

FAQs

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

What is the FSCG of the NSN 6685-00-631-4664?

The FSCG of the NSN 6685-00-631-4664 is 6685

Does the NSN 6685-00-631-4664 have a Schedule B code assigned?

Yes, the Schedule B code is 9026200000

Does NSN 6685-00-631-4664 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 6685-00-631-4664 contain precious materials?

Precious metal content is unknown

Does NSN 6685-00-631-4664 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 6685-00-631-4664 was assigned to the Federal Catalog?

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