6685-00-531-3944

Find complete technical information, availability, and procurement data for: 6685-00-531-3944
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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

6685-00-531-3944

Item Name Code

07451

Assigment Date

01/01/1963 (63 years ago)

0.100 inches scale smallest increment, +0.000 to 12.000 inches scale range, well receptacle type, provided zero adjuster, 150.0 pounds per square inch maximum operating pressure

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Maximum Operating Pressure: 150.0 pounds per square inch
Zero Adjuster: provided
Scale Range: +0.000 to 12.000 inches
Receptacle Type: well
Scale Smallest Increment: 0.100 inches
Connection Type: threaded
Connection Facility Type: internal
Connection Location: lower back and upper top
Parallax Eliminating Feature: provided
Indicating Liquid For Which Designed: red oil
Indicating Liquid: not provided
Control Valve: not provided
Equalizing Valve: not provided
Mounting Provision For Which Designed: flush panel
Thread Size And Series/Type Designator: 0.250-18 npt

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
6685-00-877-5540	No Name Available	12/18/1970

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
301EA25FF12	Vertical Tube Manometer
30EA15	Vertical Tube Manometer
30EA15FF	Vertical Tube Manometer
74003A	Vertical Tube Manometer
B2145	Vertical Tube Manometer

FAQs

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

What is the FSCG of the NSN 6685-00-531-3944?

The FSCG of the NSN 6685-00-531-3944 is 6685

Does the NSN 6685-00-531-3944 have a Schedule B code assigned?

Yes, the Schedule B code is 9026200000

Does NSN 6685-00-531-3944 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 6685-00-531-3944 contain precious materials?

Item does not contain precious metal.

Does NSN 6685-00-531-3944 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 6685-00-531-3944 was assigned to the Federal Catalog?

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