6685-00-557-5878

Find complete technical information, availability, and procurement data for: 6685-00-557-5878
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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

6685-00-557-5878

Item Name Code

07428

Assigment Date

01/01/1961 (65 years ago)

3.188 inches nominal bolt circle diameter, 0.173 inches nominal mounting hole diameter, 1.230 inches nominal overall depth, 3 mounting hole quantity, 3.560 inches nominal overall 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: 1.230 inches nominal
Bolt Circle Diameter: 3.188 inches nominal
Mounting Hole Diameter: 0.173 inches nominal
Mounting Hole Quantity: 3
Overall Diameter: 3.560 inches nominal
Graduation Unit: 3.000 pounds
Actuation Type: single bourdon tube
Adjustability: nonadjustable
Scale Range: +0.000 to 15.000 pounds pressure per square inch
Scale Name: pressure
Dial Size: 2-1/2 in. dia
Connection Quantity: 1
Pointer Color: black
Pointer Type: indicating
Scale Type: single
Scale Smallest Increment: 0.500 pounds
Connection Type: external
Mounting Method: flush panel
Scale Accuracy: 2 percent middle half of scale,3 percent remainder
Scale Inscription/Background Color: black figures on white background
Connection Location: back
Bezel Type: pressed on w/ retaining bezel ring
Connection Size: 0.125 in.npt dia
Connector Type Vent: not provided
Material: copper alloy 511 actuating element
Material: copper alloy and steel case
Material: glass protective crystal
Surface Treatment: enamel case
Fsc Application Data: gage,pressure,dial indicating,except engine

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
6685-00-227-0194	No Name Available	06/25/2014
6685-00-844-9272	No Name Available	04/16/1971

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
P524FF	Dial Indicating Pressure Gage
P845FF-2 1/2-1/8B-0/15	Dial Indicating Pressure Gage

FAQs

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

What is the FSCG of the NSN 6685-00-557-5878?

The FSCG of the NSN 6685-00-557-5878 is 6685

Does the NSN 6685-00-557-5878 have a Schedule B code assigned?

Yes, the Schedule B code is 9026200000

Does NSN 6685-00-557-5878 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 6685-00-557-5878 contain precious materials?

Item does not contain precious metal.

Does NSN 6685-00-557-5878 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 6685-00-557-5878 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961