6685-00-631-4739

Find complete technical information, availability, and procurement data for: 6685-00-631-4739
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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

6685-00-631-4739

Item Name Code

07419

Assigment Date

01/01/1961 (65 years ago)

white marking in black background scale inscription/background color, concentric dial scale type, 50.0 deg fahrenheit scale smallest increment, 2.000 inches nominal dial diameter, 2.500 inches nominal case diameter

Product Characteristics

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

Case Diameter: 2.500 inches nominal
Dial Diameter: 2.000 inches nominal
Scale Type: concentric dial
Scale Smallest Increment: 50.0 deg fahrenheit
Scale Inscription/Background Color: white marking in black background
Case Type: vaporproof
Bulb Tip Length: 3.000 inches nominal
Extension Neck Length: 1.187 inches nominal
Actuating Medium: gas
Scale Accuracy Rating: 3.0 pct
Bulb Quantity: 1
Bulb Type: flexible extension plain
Bulb Connection Type: union
Active Portion Length: 3.000 inches nominal
Active Portion Diameter: 0.563 inches nominal
Indicator Connection Method: flexible tube
Flexible Tube Length: 36.000 inches nominal
Bulb Style: plain bulb w/bendable extension
Scale Measurement Range: +30.000 to 250.000 deg fahrenheit
Bulb Overall Length: 4.187 inches nominal
Pointer/Pen Type And Quantity: 1 indicating single
Material: copper bulb
Style Designator: bulb w/o socket

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4520-00-777-4551	No Name Available	03/01/1983

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
6685PL0748603	Capillary Indicating Thermometer
G71916-001	Capillary Indicating Thermometer
G71916-SCF-8	Capillary Indicating Thermometer
IT2890-25	Capillary Indicating Thermometer
T0728	Capillary Indicating Thermometer

FAQs

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

What is the FSCG of the NSN 6685-00-631-4739?

The FSCG of the NSN 6685-00-631-4739 is 6685

Does the NSN 6685-00-631-4739 have a Schedule B code assigned?

Yes, the Schedule B code is 9025114000

Does NSN 6685-00-631-4739 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 6685-00-631-4739 contain precious materials?

Item does not contain precious metal.

Does NSN 6685-00-631-4739 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 6685-00-631-4739 was assigned to the Federal Catalog?

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