PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M27-400REVCThermometer,indicating,capillary

Weksler Glass Thermometer Corp · NSN 6685-00-522-8843 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-522-8843 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-522-8843. Primary manufacturer part number: M27-400REVC.
Features
  • Thermometer,indicating,capillary — FSC 6685
  • Bulb Type: PLAIN RIGID
  • Flexible Tube Length: 360.000 INCHES NOMINAL IN
  • Bulb Connection Type: UNION
  • Indicator Connection Method: FLEXIBLE TUBE
  • Scale Accuracy Rating: 1.4 PCT
  • Bulb Style: PLAIN BULB W/BENDABLE EXTENSION
  • Scale Measurement Range: +50.000 TO 550.000 DEG FAHRENHEIT
Applications
  • Applications requiring Steel Corrosion Resisting Bulb construction
General Description

The Thermometer,indicating,capillary, cataloged under National Stock Number 6685-00-522-8843, 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 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 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: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-522-8843
Primary Part NumberM27-400REVC
Item NameThermometer,indicating,capillary
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerWeksler Glass Thermometer Corp
StatusCANCELLED
Bulb TypePLAIN RIGID
Flexible Tube Length360.000 INCHES NOMINAL IN
Bulb Connection TypeUNION
Indicator Connection MethodFLEXIBLE TUBE
Scale Accuracy Rating1.4 PCT
Bulb StylePLAIN BULB W/BENDABLE EXTENSION
Scale Measurement Range+50.000 TO 550.000 DEG FAHRENHEIT
Actuating MediumGAS
Active Portion Diameter0.935 INCHES NOMINAL IN
Bulb Overall Length4.750 INCHES NOMINAL IN
Pointer/pen Type and Quantity1 INDICATING SINGLE AND 1 REFERENCE SINGLE
Bulb Quantity1
Active Portion Length3.500 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING BULB
Style DesignatorBULB W/O SOCKET
MaterialALUMINUM METER CASE
Bulb Tip Length3.500 INCHES NOMINAL IN
Scale Inscription/background ColorBLACK MARKING ON YELLOW BACKGROUND
Scale Smallest Increment5.0 DEG FAHRENHEIT
Scale TypeCONCENTRIC DIAL
Case TypeDUSTPROOF
Case Diameter5.593 INCHES NOMINAL IN
Dial Diameter4.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6685-00-115-920681GJ-Y00R-W40Y INTERCHANGEABLE
Thermometer,indicating,capillary
Ashcroft Inc Dba Heise
6685-00-453-5870 INTERCHANGEABLE
Thermometer,indicating,capillary
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
6685-00-453-587941GK-YX0R-F30Y 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
6685-00-459-898441GK-Y00R-A60Y INTERCHANGEABLE
Thermometer,indicating,capillary
Weksler Glass Thermometer Corp
6685-00-477-2169 INTERCHANGEABLE
Thermometer,indicating,capillary
Cross-Reference Index
Part NumberManufacturer
M27-400REVC Weksler Glass Thermometer Corp (USA)
41GK-Y00R-L30Y Weksler Glass Thermometer Corp (USA)
4-1GKY00RL30Y Weksler Glass Thermometer Corp (USA)
M27-196REVP Weksler Glass Thermometer Corp (USA)
MIL-T-19646 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M19646-C455D430 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
41GK-Y00U-Y30Y Weksler Glass Thermometer Corp (USA)
45-T8478K-54E-350-0300-50-550F Ashcroft Inc Dba Heise (USA)
4-1MKY00RL30Y Weksler Glass Thermometer Corp (USA)
Related Parts
6685-00-115-9206INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
81GJ-Y00R-W40Y
6685-00-453-5870INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
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
6685-00-453-5879INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
41GK-YX0R-F30Y
6685-00-453-5880INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
41GJ-Y00R-W40Y
6685-00-453-5881INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
81GJ-Y00R-W25Y
6685-00-459-8984INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
41GK-Y00R-A60Y
6685-00-477-2169INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
6685-00-483-8600INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
45-T8478K-54E-000-0600-20-240DEG
6685-00-483-8601INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY

Frequently Asked Questions

What is NSN 6685-00-522-8843?

NSN 6685-00-522-8843 is a Thermometer,indicating,capillary, manufactured by Weksler Glass Thermometer Corp, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-522-8843?

NSN 6685-00-522-8843 has 9 cross-referenced part numbers: M27-400REVC (Weksler Glass Thermometer Corp), 41GK-Y00R-L30Y (Weksler Glass Thermometer Corp), 4-1GKY00RL30Y (Weksler Glass Thermometer Corp), M27-196REVP (Weksler Glass Thermometer Corp), MIL-T-19646 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 4 more.

What NSN replaces 6685-00-522-8843?

There are 12 known substitutes for 6685-00-522-8843: 6685-00-115-9206, 6685-00-453-5870, 6685-00-453-5872 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M27-400REVC?

Key specifications for M27-400REVC: Bulb Type: PLAIN RIGID; Flexible Tube Length: 360.000 INCHES NOMINAL IN; Bulb Connection Type: UNION; Indicator Connection Method: FLEXIBLE TUBE. 23 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-522-8843 still in active supply?

NSN 6685-00-522-8843 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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