6685-00-851-4577

Find complete technical information, availability, and procurement data for: 6685-00-851-4577
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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

6685-00-851-4577

Item Name Code

42787

Assigment Date

01/01/1962 (64 years ago)

An instrument for measuring the rate of flow of a fluid through a pipeline. This measurement is indicated on a graduated scale either by means of a float confined in a tube, or pointer connected to a vane, or piston and spring or the like. Excludes:meter, fluid flow indicating, differential pressure; meter, fluid flow indicating, electromagnetic; and meter, fluid flow indicating, ultrasonic.

305.0 millimeters nominal overall length, 1.0 deg fahrenheit scale smallest increment, engraved stem scale type, fluctuating design type, ring securing device type

Product Characteristics

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

Overall Length: 305.0 millimeters nominal
Securing Device Type: ring
Design Type: fluctuating
Scale Type: engraved stem
Scale Smallest Increment: 1.0 deg fahrenheit
Scale Inscription/Background Color: black marking on white background
Scale Length: 229.0 millimeters nominal
Immersion Length: 76.0 millimeters nominal
Actuating Medium: mercury
Scale Accuracy Rating: 1/2 to 1 pct of range of scale
Scale Measurement Range: -20.000 to 110.000 deg celsius
Material: glass stem, liquid in glass
Style Designator: immersion ring top

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
6685-00-113-7663	No Name Available	09/17/1969
6685-00-494-3909	No Name Available	09/17/1969
6685-00-566-8666	No Name Available	02/01/1998
6685-00-912-9804	No Name Available	09/12/1969

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
13202459	Self-Indicating Thermometer
14-985B	Self-Indicating Thermometer
2050W-BT	Self-Indicating Thermometer
50S0B	Self-Indicating Thermometer

FAQs

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

What is the FSCG of the NSN 6685-00-851-4577?

The FSCG of the NSN 6685-00-851-4577 is 6685

Does the NSN 6685-00-851-4577 have a Schedule B code assigned?

Yes, the Schedule B code is 9025114000

Does NSN 6685-00-851-4577 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 6685-00-851-4577 contain precious materials?

Item does not contain precious metal.

Does NSN 6685-00-851-4577 contain hazardous materials?

Indicates information is in the hazardous materials information resource system (hmirs).

When the NSN 6685-00-851-4577 was assigned to the Federal Catalog?

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