PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

356N54Thermometer,indicating,capillary

Stewart-Warner Corporation · NSN 6685-00-599-8407 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-599-8407 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-599-8407. Primary manufacturer part number: 356N54.
Features
  • Thermometer,indicating,capillary — FSC 6685
  • Bulb Type: PLAIN RIGID
  • Bulb Style: PLAIN BULB W/BENDABLE EXTENSION
  • Flexible Tube Length: 54.000 INCHES NOMINAL IN
  • Scale Inscription/background Color: BLACK MARKING ON IVORY BACKGROUND
  • Style Designator: BULB W/O SOCKET
  • Material: STEEL METER CASE
  • Material: COPPER BULB
Applications
  • Applications requiring Steel Meter Case construction
General Description

The Thermometer,indicating,capillary, cataloged under National Stock Number 6685-00-599-8407, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Stewart-Warner Corporation. Government technical data includes 24 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-599-8407
Primary Part Number356N54
Item NameThermometer,indicating,capillary
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerStewart-Warner Corporation
StatusACTIVE
Bulb TypePLAIN RIGID
Bulb StylePLAIN BULB W/BENDABLE EXTENSION
Flexible Tube Length54.000 INCHES NOMINAL IN
Scale Inscription/background ColorBLACK MARKING ON IVORY BACKGROUND
Style DesignatorBULB W/O SOCKET
MaterialSTEEL METER CASE
MaterialCOPPER BULB
Case TypeDUSTPROOF
Case Diameter2.203 INCHES NOMINAL IN
Scale Smallest Increment6.660 DEG FAHRENHEIT
Bulb Overall Length1.750 INCHES NOMINAL IN
Actuating MediumETHYL ETHER
Bulb Quantity1
Dial Diameter1.750 INCHES NOMINAL IN
Bulb Connection TypeTHREADED
Extension Neck Length0.500 INCHES NOMINAL IN
Bulb Tip Length1.250 INCHES NOMINAL IN
Scale Accuracy Rating10 PCT
Indicator Connection MethodFLEXIBLE TUBE
Active Portion Length1.250 INCHES NOMINAL IN
Scale Measurement Range+100.000 TO 250.000 DEG FAHRENHEIT
Pointer/pen Type and Quantity1 INDICATING SINGLE
Scale TypeCONCENTRIC DIAL
Active Portion Diameter0.365 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5940-00-057-5857A10 INTERCHANGEABLE
Terminal,quick Disconnect
Abb Installation Products Inc
6610-01-420-090460237-1 INTERCHANGEABLE
Eccentric
The Aeronautical Instrument and Radio Company Dba the Aeronautical Instrument and Radio Company Div the Aeronautical Instrument and
Cross-Reference Index
Part NumberManufacturer
60-237-1 Dresser Industries Inc Leroi Div (USA)
356N54 PRIMARY Stewart-Warner Corporation (USA)
Related Parts
5940-00-057-5857INTERCHANGEABLE
TERMINAL,QUICK DISCONNECT
A10
6610-01-420-0904INTERCHANGEABLE
ECCENTRIC
60237-1

Frequently Asked Questions

What is NSN 6685-00-599-8407?

NSN 6685-00-599-8407 is a Thermometer,indicating,capillary, manufactured by Stewart-Warner Corporation, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-599-8407?

NSN 6685-00-599-8407 has 2 cross-referenced part numbers: 60-237-1 (Dresser Industries Inc Leroi Div), 356N54 (Stewart-Warner Corporation).

What NSN replaces 6685-00-599-8407?

There are 2 known substitutes for 6685-00-599-8407: 5940-00-057-5857, 6610-01-420-0904. Verify interchangeability with system specifications before substitution.

What are the specifications of 356N54?

Key specifications for 356N54: Bulb Type: PLAIN RIGID; Bulb Style: PLAIN BULB W/BENDABLE EXTENSION; Flexible Tube Length: 54.000 INCHES NOMINAL IN; Scale Inscription/background Color: BLACK MARKING ON IVORY BACKGROUND. 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