PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

41GK-Y00R-O30YThermometer,indicating,capillary

Weksler Glass Thermometer Corp · NSN 6685-00-522-8394 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-522-8394 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-522-8394. Primary manufacturer part number: 41GK-Y00R-O30Y.
Features
  • Thermometer,indicating,capillary — FSC 6685
  • Bulb Quantity: 1
  • Scale Type: CONCENTRIC DIAL
  • Indicator Connection Method: FLEXIBLE TUBE
  • Material: STEEL CORROSION RESISTING BULB
  • Style Designator: BULB W/O SOCKET
  • Material: PLASTIC METER CASE
  • Active Portion Diameter: 0.935 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Corrosion Resisting Bulb construction
General Description

The Thermometer,indicating,capillary, cataloged under National Stock Number 6685-00-522-8394, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Weksler Glass Thermometer Corp. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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
NSN6685-00-522-8394
Primary Part Number41GK-Y00R-O30Y
Item NameThermometer,indicating,capillary
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerWeksler Glass Thermometer Corp
StatusACTIVE
Bulb Quantity1
Scale TypeCONCENTRIC DIAL
Indicator Connection MethodFLEXIBLE TUBE
MaterialSTEEL CORROSION RESISTING BULB
Style DesignatorBULB W/O SOCKET
MaterialPLASTIC METER CASE
Active Portion Diameter0.935 INCHES NOMINAL IN
Scale Inscription/background ColorBLACK MARKING ON YELLOW BACKGROUND
Pointer/pen Type and Quantity1 INDICATING SINGLE AND 1 REFERENCE SINGLE
Bulb Tip Length6.000 INCHES NOMINAL IN
Active Portion Length6.000 INCHES NOMINAL IN
Scale Measurement Range+100.000 TO 800.000 DEG FAHRENHEIT
Scale Smallest Increment5.0 DEG FAHRENHEIT
Bulb StylePLAIN BULB W/BENDABLE EXTENSION
Flexible Tube Length360.000 INCHES NOMINAL IN
Dial Diameter4.500 INCHES NOMINAL IN
Actuating MediumMERCURY
Bulb Connection TypeUNION
Case Diameter5.812 INCHES NOMINAL IN
Bulb Overall Length7.000 INCHES NOMINAL IN
Scale Accuracy Rating0.7 PCT
Bulb TypePLAIN RIGID
Case TypeDUSTPROOF
Extension Neck Length1.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6685-00-115-920681GJ-Y00R-W40Y INTERCHANGEABLE
Thermometer,indicating,capillary
Ashcroft Inc Dba Heise
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
Cross-Reference Index
Part NumberManufacturer
M27-196REVP Weksler Glass Thermometer Corp (USA)
41GK-Y00R-O30Y PRIMARY Weksler Glass Thermometer Corp (USA)
4-1MKY00R030Y Weksler Glass Thermometer Corp (USA)
Related Parts
6685-00-115-9206INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
81GJ-Y00R-W40Y
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

Frequently Asked Questions

What is NSN 6685-00-522-8394?

NSN 6685-00-522-8394 is a Thermometer,indicating,capillary, manufactured by Weksler Glass Thermometer Corp, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-522-8394?

NSN 6685-00-522-8394 has 3 cross-referenced part numbers: M27-196REVP (Weksler Glass Thermometer Corp), 41GK-Y00R-O30Y (Weksler Glass Thermometer Corp), 4-1MKY00R030Y (Weksler Glass Thermometer Corp).

What NSN replaces 6685-00-522-8394?

There are 12 known substitutes for 6685-00-522-8394: 6685-00-115-9206, 6685-00-453-5872, 6685-00-453-5877 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 41GK-Y00R-O30Y?

Key specifications for 41GK-Y00R-O30Y: Bulb Quantity: 1; Scale Type: CONCENTRIC DIAL; Indicator Connection Method: FLEXIBLE TUBE; Material: STEEL CORROSION RESISTING BULB. 24 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com