6685-00-837-3522

Find complete technical information, availability, and procurement data for: 6685-00-837-3522
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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

6685-00-837-3522

Item Name Code

07428

Assigment Date

01/01/1962 (64 years ago)

1.812 inches nominal overall depth, 0.281 inches nominal mounting hole diameter, 5.500 inches nominal bolt circle diameter, 5.875 inches nominal overall 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.

Overall Depth: 1.812 inches nominal
Bolt Circle Diameter: 5.500 inches nominal
Mounting Hole Diameter: 0.281 inches nominal
Mounting Hole Quantity: 3
Overall Diameter: 5.875 inches nominal
End Item Identification: support equipment,f-4 aircraft; support equipment,a-7 aircraft; support equipment,f-16 aircraft
Graduation Unit: 10.000 pounds per square inch
Actuation Type: single bourdon tube
Adjustability: adjustable
Scale Range: +0.0 to 100.0 pounds pressure per square inch
Scale Name: pressure
Dial Size: 4-1/2 in. dia
Connection Quantity: 1
Pointer Color: black
Pointer Type: indicating
Scale Type: single
Scale Smallest Increment: 1.000 pounds per square inch
Connection Type: external
Mounting Method: surface wall
Scale Accuracy: 1/2 of 1 pct entire range
Scale Inscription/Background Color: black figures on white background
Connection Location: bottom
Bezel Type: thread
Connection Size: 0.250 in. npt
Connector Type Vent: not provided
Special Features: solid wall safety plate between dial and movement,spring mtd safety/release/blow-out plate across back of case
Color: black case
Material: aluminum case
Material: glass protective crystal
Material: steel corrosion resisting actuating element
Surface Treatment: paint crackle finish case

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
6685-00-013-9969	No Name Available	09/01/2023
6685-00-066-2813	No Name Available	01/01/1976
6685-00-234-8988	No Name Available	07/01/1992
6685-00-514-3726	No Name Available	01/01/1976
6685-00-800-7721	No Name Available	05/21/1980
6685-00-919-5284	No Name Available	01/01/1976
6685-00-919-8664	No Name Available	09/01/2023
6685-00-926-8334	No Name Available	09/01/1992
6685-00-983-6719	No Name Available	02/01/2002
6685-01-023-0495	No Name Available	03/01/1983

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
176C33C	Dial Indicating Pressure Gage
1WQF03577AKA460	Dial Indicating Pressure Gage
401-60133-80	Dial Indicating Pressure Gage
45-1379SS02L100	Dial Indicating Pressure Gage
AA444PF4LW	Dial Indicating Pressure Gage

FAQs

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

What is the FSCG of the NSN 6685-00-837-3522?

The FSCG of the NSN 6685-00-837-3522 is 6685

Does the NSN 6685-00-837-3522 have a Schedule B code assigned?

Yes, the Schedule B code is 9026200000

Does NSN 6685-00-837-3522 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 6685-00-837-3522 contain precious materials?

Item does not contain precious metal.

Does NSN 6685-00-837-3522 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 6685-00-837-3522 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962