PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

81GJ-Y00R-W40YThermometer,indicating,capillary

Ashcroft Inc Dba Heise · NSN 6685-00-115-9206 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-115-9206 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-115-9206. Primary manufacturer part number: 81GJ-Y00R-W40Y.
Features
  • Thermometer,indicating,capillary — FSC 6685
  • Bulb Quantity: 1
  • Pointer/pen Type and Quantity: 1 INDICATING SINGLE AND 1 REFERENCE SINGLE
  • Active Portion Diameter: 0.375 INCHES NOMINAL IN
  • Mounting Facility Type and Quantity: 1 SURFACE AND 3 HOLE
  • Scale Type: CONCENTRIC DIAL
  • Mounting Bolt Circle Diameter: 4.812 INCHES NOMINAL IN
  • Scale Inscription/background Color: BLACK MARKINGS ON YELLOW BACKGROUND
Applications
  • Applications requiring Steel Corrosion Resisting Bulb construction
General Description

The Thermometer,indicating,capillary, cataloged under National Stock Number 6685-00-115-9206, 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 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN6685-00-115-9206
Primary Part Number81GJ-Y00R-W40Y
Item NameThermometer,indicating,capillary
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAshcroft Inc Dba Heise
StatusACTIVE
Bulb Quantity1
Pointer/pen Type and Quantity1 INDICATING SINGLE AND 1 REFERENCE SINGLE
Active Portion Diameter0.375 INCHES NOMINAL IN
Mounting Facility Type and Quantity1 SURFACE AND 3 HOLE
Scale TypeCONCENTRIC DIAL
Mounting Bolt Circle Diameter4.812 INCHES NOMINAL IN
Scale Inscription/background ColorBLACK MARKINGS ON YELLOW BACKGROUND
MaterialSTEEL CORROSION RESISTING BULB
Actuating MediumMERCURY
Bulb TypeFLEXIBLE CAPILLARY
MaterialPLASTIC METER CASE
Unthreaded Mounting Hole Diameter0.281 INCHES NOMINAL IN
Flexible Tube Length480.000 INCHES NOMINAL IN
Indicator Connection MethodFLEXIBLE TUBE
Scale Accuracy Rating1 PCT ENTIRE RANGE
Bulb Overall Length7.218 INCHES NOMINAL IN
Case Diameter10.250 INCHES NOMINAL IN
Active Portion Length3000.000 INCHES NOMINAL IN
Scale Smallest Increment5.0 DEG FAHRENHEIT
Scale Measurement Range+400.000 TO 1200.000 DEG FAHRENHEIT
Dial Diameter8.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6685-00-453-587241GJ-Y00L-W25Y INTERCHANGEABLE
Thermometer,indicating,capillary
Weksler Glass Thermometer Corp
6685-00-453-587781GK-Y00R-W63Y INTERCHANGEABLE
Thermometer,indicating,capillary
Ashcroft Inc Dba Heise
6685-00-453-587841GK-Y00L-R10Y INTERCHANGEABLE
Thermometer,indicating,capillary
Weksler Glass Thermometer Corp
6685-00-453-588041GJ-Y00R-W40Y INTERCHANGEABLE
Thermometer,indicating,capillary
Weksler Glass Thermometer Corp
6685-00-453-588181GJ-Y00R-W25Y INTERCHANGEABLE
Thermometer,indicating,capillary
Weksler Glass Thermometer Corp
6685-00-483-860381GK-Y00R-W50Y INTERCHANGEABLE
Thermometer,indicating,capillary
Ashcroft Inc Dba Heise
6685-00-483-860481GK-Y00R-W45Y INTERCHANGEABLE
Thermometer,indicating,capillary
Weksler Glass Thermometer Corp
6685-00-483-860585-T8478K-54E-000-0350-400/1200 INTERCHANGEABLE
Thermometer,indicating,capillary
Ashcroft Inc Dba Heise
6685-00-483-860745-T8478K-51E-000-0630-50/550 INTERCHANGEABLE
Thermometer,indicating,capillary
Ashcroft Inc Dba Heise
6685-00-488-558581GN-N00R-W40Y INTERCHANGEABLE
No Item Name Available
Weksler Glass Thermometer Corp
Cross-Reference Index
Part NumberManufacturer
81GJ-Y00R-W40Y PRIMARY Ashcroft Inc Dba Heise (USA)
M27-196REVP Ashcroft Inc Dba Heise (USA)
Related Parts
6685-00-453-5872INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
41GJ-Y00L-W25Y
6685-00-453-5877INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
81GK-Y00R-W63Y
6685-00-453-5878INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
41GK-Y00L-R10Y
6685-00-453-5880INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
41GJ-Y00R-W40Y
6685-00-453-5881INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
81GJ-Y00R-W25Y
6685-00-483-8603INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
81GK-Y00R-W50Y
6685-00-483-8604INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
81GK-Y00R-W45Y
6685-00-483-8605INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
85-T8478K-54E-000-0350-400/1200
6685-00-483-8607INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
45-T8478K-51E-000-0630-50/550
6685-00-488-5585INTERCHANGEABLE
NO ITEM NAME AVAILABLE
81GN-N00R-W40Y
6685-00-522-8389INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
41GK-Y00R-W30Y
6685-00-522-8394INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
41GK-Y00R-O30Y

Frequently Asked Questions

What is NSN 6685-00-115-9206?

NSN 6685-00-115-9206 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 6685-00-115-9206?

NSN 6685-00-115-9206 has 2 cross-referenced part numbers: 81GJ-Y00R-W40Y (Ashcroft Inc Dba Heise), M27-196REVP (Ashcroft Inc Dba Heise).

What NSN replaces 6685-00-115-9206?

There are 12 known substitutes for 6685-00-115-9206: 6685-00-453-5872, 6685-00-453-5877, 6685-00-453-5878 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 81GJ-Y00R-W40Y?

Key specifications for 81GJ-Y00R-W40Y: Bulb Quantity: 1; Pointer/pen Type and Quantity: 1 INDICATING SINGLE AND 1 REFERENCE SINGLE; Active Portion Diameter: 0.375 INCHES NOMINAL IN; Mounting Facility Type and Quantity: 1 SURFACE AND 3 HOLE. 21 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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