25-811269-1

View detailed technical data, stock status, and sourcing information for: 25-811269-1
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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

6685-00-009-3529

Item Name Code

62209

Assigment Date

08/04/1972 (54 years ago)

An instrument designed to measure air, gas, fluid, and vapor differential by means of a pressure sensitive element(s) which transmits energy, by direct linkage, to the indicating pointer of a scale calibrated to units of pressure. The scale may indicate in units of pressure, quantity, or flow.

4.125 inches nominal bolt circle diameter, 4.750 inches nominal overall diameter, 3 mounting hole quantity, 0.250 inches nominal mounting hole diameter, 2.188 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: 2.188 inches nominal
Bolt Circle Diameter: 4.125 inches nominal
Mounting Hole Diameter: 0.250 inches nominal
Mounting Hole Quantity: 3
Overall Diameter: 4.750 inches nominal
Case Material: unable to decode
Case Surface Treatment: unable to decode
Graduation Unit: 1.0 pounds per square inch
Actuation Type: diaphragm
Adjustability: adjustable
Scale Range: +0.0 to 3.0 pounds pressure per square inch
Scale Name: differential pressure
Dial Size: 4 in. dia
Connection Quantity: 4
Pointer Color: aluminum
Pointer Type: indicating
Scale Type: single
Scale Smallest Increment: 0.1 pounds per square inch
Connection Type: internal
Mounting Method: flush or surface
Scale Accuracy: porm 2 pct full range
Actuating Element Material: unable to decode
Scale Inscription/Background Color: black figures on white background
Connection Location: back or side
Bezel Type: thread
Protective Crystal Material: unable to decode
Connection Size: 0.125 in. npt dia
Connector Type Vent: not provided
Special Features: baked dark gray hammerioid; red tip pointer
Material: aluminum

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
2203C	Dial Indicatin Differential Gage
25-811269-1	Dial Indicatin Differential Gage

FAQs

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

What is the FSCG of the NSN 6685-00-009-3529?

The FSCG of the NSN 6685-00-009-3529 is 6685

Does the NSN 6685-00-009-3529 have a Schedule B code assigned?

Yes, the Schedule B code is 9026200000

Does NSN 6685-00-009-3529 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 6685-00-009-3529 contain precious materials?

Precious metal content is unknown

Does NSN 6685-00-009-3529 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 6685-00-009-3529 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Fri, Aug 4, 1972