6685-00-531-3406

Find complete technical information, availability, and procurement data for: 6685-00-531-3406

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6685-00-531-3406
Federal Supply Group
Instruments and Laboratory Equipment
National Stock Number
6685-00-531-3406
Item Name Code
07428
Assigment Date
01/01/1961 (65 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.

2.563 inches nominal overall depth, 0.219 inches nominal mounting hole diameter, 3 mounting hole quantity, 6.063 inches nominal overall diameter, 5.375 inches nominal bolt circle 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
2.563 inches nominal
Bolt Circle Diameter
5.375 inches nominal
Mounting Hole Diameter
0.219 inches nominal
Mounting Hole Quantity
3
Overall Diameter
6.063 inches nominal
Graduation Unit
20.0 pounds per square inch
Actuation Type
single bourdon tube
Adjustability
adjustable
Scale Range
+0.000 to 160.000 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
2.0 pounds per square inch
Connection Type
external
Mounting Method
flush panel w/ holes or studs
Stud Quantity
3
Scale Accuracy
1/2 of 1 percent of full scale range
Scale Inscription/Background Color
black figures on white background
Connection Location
back, lower
Bezel Type
hinge
Connection Size
1/4 in. npt
Stud Location
back
Connector Type Vent
not provided
Material
aluminum and steel case
Material
copper alloy 511 actuating element
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Below is a list of NSNs that have been officially superseded by this NSN: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
6685-00-892-5457 No Name Available 11/07/1973

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
45-1377A2B160 Dial Indicating Pressure Gage
45-1377AS02B160 Dial Indicating Pressure Gage

FAQs

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

What is the FSCG of the NSN 6685-00-531-3406?
The FSCG of the NSN 6685-00-531-3406 is 6685
Does the NSN 6685-00-531-3406 have a Schedule B code assigned?
Yes, the Schedule B code is 9026200000
Does NSN 6685-00-531-3406 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 6685-00-531-3406 contain precious materials?
Precious metal content is unknown
Does NSN 6685-00-531-3406 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 6685-00-531-3406 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961

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