PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

41GHV00LA80YThermometer,indicating,capillary

Ashcroft Inc Dba Heise · NSN 6685-00-491-8166 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-491-8166 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-491-8166. Primary manufacturer part number: 41GHV00LA80Y.
Features
  • Thermometer,indicating,capillary — FSC 6685
  • Features Provided: ZERO ADJUSTMENTZERO ADJUSTMENT
  • Indicator Connection Method: FLEXIBLE TUBEFLEXIBLE TUBE
  • Flexible Tube Length: 960.000 INCHES NOMINAL960.000 INCHES NOMINAL IN
  • Pointer/pen Type and Quantity: 1 INDICATING SINGLE AND 1 INDICATING SINGLE AND 1 REFERENCE SINGLE1 REFERENCE SINGLE
  • Case Diameter: 5.875 INCHES NOMINAL IN
  • Scale Measurement Range: -40.000 TO 180.000 DEG FAHRENHEIT-40.000 TO 180.000 DEG FAHRENHEIT
  • Style Designator: BULB W/O SOCKETBULB W/O SOCKET
Applications
  • Applications requiring Steel Overall construction
General Description

The Thermometer,indicating,capillary, cataloged under National Stock Number 6685-00-491-8166, 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 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-491-8166
Primary Part Number41GHV00LA80Y
Item NameThermometer,indicating,capillary
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAshcroft Inc Dba Heise
StatusACTIVE
Features ProvidedZERO ADJUSTMENTZERO ADJUSTMENT
Indicator Connection MethodFLEXIBLE TUBEFLEXIBLE TUBE
Flexible Tube Length960.000 INCHES NOMINAL960.000 INCHES NOMINAL IN
Pointer/pen Type and Quantity1 INDICATING SINGLE AND 1 INDICATING SINGLE AND 1 REFERENCE SINGLE1 REFERENCE SINGLE
Case Diameter5.875 INCHES NOMINAL IN
Scale Measurement Range-40.000 TO 180.000 DEG FAHRENHEIT-40.000 TO 180.000 DEG FAHRENHEIT
Style DesignatorBULB W/O SOCKETBULB W/O SOCKET
MaterialSTEEL OVERALL
Dial Diameter4.500 INCHES NOMINAL IN
Extension Neck Length5.500 INCHES NOMINAL IN
Scale TypeCONCENTRICCONCENTRIC
Scale Inscription/background ColorBLACK MARKING ON YELLOW BACKGROUND
Actuating MediumGASGAS
Scale Smallest Increment2.0 DEG FAHRENHEIT2.0 DEG FAHRENHEIT
Bulb Connection TypeINTEGRAL FLANGEINTEGRAL FLANGE
Bulb Overall Length9.000 INCHES NOMINAL IN
Active Portion Length3.500 INCHES MAXIMUM3.500 INCHES MAXIMUM IN
Bulb StylePLAIN BULB W/BENDABLE EXTENSION
Bulb TypePLAIN RIGIDPLAIN RIGID
Bulb Quantity11
Bulb Tip Length3.500 INCHES NOMINAL3.500 INCHES NOMINAL IN
Active Portion Diameter0.975 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6685-00-007-959381GNN00RW75Y INTERCHANGEABLE
Thermometer,indicating,capillary
Ashcroft Inc Dba Heise
6685-00-147-584181GN-N00U-W40Y INTERCHANGEABLE
Thermometer,indicating,capillary
Ashcroft Inc Dba Heise
6685-00-428-878981GK-Y00R-W25Y INTERCHANGEABLE
Thermometer,indicating,capillary
Weksler Glass Thermometer Corp
6685-00-469-8891 INTERCHANGEABLE
Thermometer,indicating,capillary
6685-00-475-223681GN-P00U-W45Y INTERCHANGEABLE
Thermometer,indicating,capillary
Ashcroft Inc Dba Heise
6685-00-477-2169 INTERCHANGEABLE
Thermometer,indicating,capillary
6685-00-491-821741GN-P00R-R65Y INTERCHANGEABLE
Thermometer,indicating,capillary
Ashcroft Inc Dba Heise
6685-00-491-8220 INTERCHANGEABLE
Thermometer,indicating,capillary
6685-01-262-0036 INTERCHANGEABLE
Thermometer,self-Indicating,gas
6685-01-262-0045 INTERCHANGEABLE
Thermometer,self-Indicating,bime
Cross-Reference Index
Part NumberManufacturer
M27-400 Weksler Glass Thermometer Corp (USA)
41GH-V00L-A80Y Weksler Glass Thermometer Corp (USA)
41GHV00LA80Y PRIMARY Ashcroft Inc Dba Heise (USA)
026-16868 Johnson Controls Navy Systems, Llc (USA)
Related Parts
6685-00-007-9593INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
81GNN00RW75Y
6685-00-147-5841INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
81GN-N00U-W40Y
6685-00-428-8789INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
81GK-Y00R-W25Y
6685-00-469-8891INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
6685-00-475-2236INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
81GN-P00U-W45Y
6685-00-477-2169INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
6685-00-491-8217INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
41GN-P00R-R65Y
6685-00-491-8220INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
6685-01-262-0036INTERCHANGEABLE
THERMOMETER,SELF-INDICATING,GAS
6685-01-262-0045INTERCHANGEABLE
THERMOMETER,SELF-INDICATING,BIME
6685-01-357-9082INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
41GH-V00R-A70W
6685-01-374-0348INTERCHANGEABLE
THERMOMETER,SELF-INDICATING
41GPY00R050Y

Frequently Asked Questions

What is NSN 6685-00-491-8166?

NSN 6685-00-491-8166 is a Thermometer,indicating,capillary, manufactured by Ashcroft Inc Dba Heise, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-491-8166?

NSN 6685-00-491-8166 has 4 cross-referenced part numbers: M27-400 (Weksler Glass Thermometer Corp), 41GH-V00L-A80Y (Weksler Glass Thermometer Corp), 41GHV00LA80Y (Ashcroft Inc Dba Heise), 026-16868 (Johnson Controls Navy Systems, Llc).

What NSN replaces 6685-00-491-8166?

There are 12 known substitutes for 6685-00-491-8166: 6685-00-007-9593, 6685-00-147-5841, 6685-00-428-8789 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 41GHV00LA80Y?

Key specifications for 41GHV00LA80Y: Features Provided: ZERO ADJUSTMENTZERO ADJUSTMENT; Indicator Connection Method: FLEXIBLE TUBEFLEXIBLE TUBE; Flexible Tube Length: 960.000 INCHES NOMINAL960.000 INCHES NOMINAL IN; Pointer/pen Type and Quantity: 1 INDICATING SINGLE AND 1 INDICATING SINGLE AND 1 REFERENCE SINGLE1 REFERENCE SINGLE. 22 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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