Product Details | THERMOWELL

6685-01-421-6656 A pressure-tight receptacle mounted to an item by external threads, flange and/or welding. It is designed to hold temperature sensing devices, such as, termocouples, resistance temperature detectors, and thermometers.

Part Alternates: 03410050051, 0341-005-0051, 6685-01-421-6656, 01-421-6656, 6685014216656, 014216656

Instruments and Laboratory Equipment | Pressure, Temperature, and Humidity Measuring and Controlling Instruments

Supply Group (FSG) NSN Assign. NIIN
66 13 NOV 1995 01-421-6656

Drawings & Photos | NSN 6685-01-421-6656


Cross Reference | NSN 6685-01-421-6656

Part Number Cage Code Manufacturer
0341-005-0051 33969 WEED INSTRUMENT COMPANY, INC. DBA ULTRA ELECTRONICS, NUCLEAR

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Technical Data | NSN 6685-01-421-6656

Characteristic Specifications
MATERIAL NICKEL ALLOY
STYLE DESIGNATOR A THREADED STRAIGHT SHANK
OVERALL LENGTH 95.2 MILLIMETERS NOMINAL
EXTERNAL THREAD SIZE 1-5/16-12UN-3A
BULB TIP LENGTH 50.8 MILLIMETERS NOMINAL
BULB TIP OUTSIDE DIAMETER 12.7 MILLIMETERS NOMINAL
BORE INSIDE DIAMETER 6.5 MILLIMETERS MINIMUM AND 6.7 MILLIMETERS MAXIMUM ALL BORES
STRAIGHT BORE DEPTH 88.9 MILLIMETERS NOMINAL ALL BORES

Restrictions/Controls & Freight Information | NSN 6685-01-421-6656

Category Code Description
Hazardous Material Indicator CodePThere is no information in the HMIS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information