PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

70-07 1/2Thermowell

Ashcroft Inc Dba Heise · NSN 6685-01-014-2049 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-014-2049 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-014-2049. Primary manufacturer part number: 70-07 1/2.
Features
  • Thermowell — FSC 6685
  • Bulb Tip Length: 7.500 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING
  • Style Designator: THREADED STRAIGHT SHANK
  • External Thread Size: 3/4 IN. NPT IN
  • 2 verified cross-references
  • Primary manufacturer: Ashcroft Inc Dba Heise
Applications
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Thermowell, cataloged under National Stock Number 6685-01-014-2049, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Ashcroft Inc Dba Heise. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-01-014-2049
Primary Part Number70-07 1/2
Item NameThermowell
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAshcroft Inc Dba Heise
StatusACTIVE
Bulb Tip Length7.500 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING
Style DesignatorTHREADED STRAIGHT SHANK
External Thread Size3/4 IN. NPT IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3030-00-136-3020700712 INTERCHANGEABLE
Belt,timing
Clary Corp Dba Clary Corp Div Clary Corporation
3110-00-156-5095118031-1 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6150-01-516-685170071-2 INTERCHANGEABLE
Lead Assembly,electrical
Morpac Industries, Inc Div Actuator
Cross-Reference Index
Part NumberManufacturer
70-07 1/2 PRIMARY Ashcroft Inc Dba Heise (USA)
989C503H01 Northrop Grumman Systems Corporation Dba Electronic Systems (USA)
Related Parts
3030-00-136-3020INTERCHANGEABLE
BELT,TIMING
700712
3110-00-156-5095INTERCHANGEABLE
BEARING,BALL,ANNULAR
118031-1
6150-01-516-6851INTERCHANGEABLE
LEAD ASSEMBLY,ELECTRICAL
70071-2

Frequently Asked Questions

What is NSN 6685-01-014-2049?

NSN 6685-01-014-2049 is a Thermowell, manufactured by Ashcroft Inc Dba Heise, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-014-2049?

NSN 6685-01-014-2049 has 2 cross-referenced part numbers: 70-07 1/2 (Ashcroft Inc Dba Heise), 989C503H01 (Northrop Grumman Systems Corporation Dba Electronic Systems).

What NSN replaces 6685-01-014-2049?

There are 3 known substitutes for 6685-01-014-2049: 3030-00-136-3020, 3110-00-156-5095, 6150-01-516-6851. Verify interchangeability with system specifications before substitution.

What are the specifications of 70-07 1/2?

Key specifications for 70-07 1/2: Bulb Tip Length: 7.500 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING; Style Designator: THREADED STRAIGHT SHANK; External Thread Size: 3/4 IN. NPT IN. 5 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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