PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TG39Thermometer,indicating,capillary

General Motors Llc Dba General Motors · NSN 6685-00-557-3379 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-557-3379 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-557-3379. Primary manufacturer part number: TG39.
Features
  • Thermometer,indicating,capillary — FSC 6685
  • Bulb Overall Length: 2.250 INCHES NOMINAL IN
  • Scale Inscription/background Color: PHOSPHORESCENT GREEN MARKINGS ON BLACK BACKGROUND
  • Active Portion Diameter: 0.375 INCHES NOMINAL IN
  • Material: COPPER ALLOY BULB
  • Material: STEEL METER CASE
  • Style Designator: BULB W/SOCKET
  • Extension Neck Length: 0.813 INCHES NOMINAL IN
Applications
  • Applications requiring Copper Alloy Bulb construction
General Description

The Thermometer,indicating,capillary, cataloged under National Stock Number 6685-00-557-3379, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is General Motors Llc Dba General Motors. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 26 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-557-3379
Primary Part NumberTG39
Item NameThermometer,indicating,capillary
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerGeneral Motors Llc Dba General Motors
StatusCANCELLED
Bulb Overall Length2.250 INCHES NOMINAL IN
Scale Inscription/background ColorPHOSPHORESCENT GREEN MARKINGS ON BLACK BACKGROUND
Active Portion Diameter0.375 INCHES NOMINAL IN
MaterialCOPPER ALLOY BULB
MaterialSTEEL METER CASE
Style DesignatorBULB W/SOCKET
Extension Neck Length0.813 INCHES NOMINAL IN
Scale TypeCONCENTRIC DIAL
Bulb TypePLAIN RIGID
Bulb Connection TypeUNION
Case TypeDUSTPROOF
Pointer/pen Type and Quantity1 INDICATING SINGLE
Bulb StylePLAIN BULB W/BENDABLE EXTENSION
Flexible Tube Length73.000 INCHES NOMINAL IN
Active Portion Length1.437 INCHES NOMINAL IN
Bulb Tip Length1.437 INCHES NOMINAL IN
Bulb Quantity1
Indicator Connection MethodFLEXIBLE TUBE
Scale Smallest Increment10.0 DEG FAHRENHEIT
Case Diameter2.281 INCHES NOMINAL IN
Dial Diameter2.000 INCHES NOMINAL IN
Actuating MediumETHER
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5330-00-384-8776525K970 INTERCHANGEABLE
Gasket
Hyster-Yale Group, Inc. Dba Yale Materials Handling
5950-00-484-7671TG20 INTERCHANGEABLE
Reactor
Torotel, Inc. Div Torotel Products, Inc.
5940-00-503-6055TG20 INTERCHANGEABLE
Terminal,lug
Abb Installation Products Inc
5330-00-608-9258266052 INTERCHANGEABLE
Gasket,end Cover
Linear Motion Llc Div Ugm
6685-00-948-607482326-96IN INTERCHANGEABLE
Thermometer,indicating,capillary
Stewart-Warner Corporation
4020-01-243-014155299-2 INTERCHANGEABLE
Tape,lacing and Tying
Hamilton Sundstrand Corporation
6625-01-694-1478TG20 INTERCHANGEABLE
Accessory Kit,electrical-Electro
Extech Instruments
Cross-Reference Index
Part NumberManufacturer
TG39 General Motors Llc Dba General Motors (USA)
1513492 General Motors Corp (USA)
TG27 General Motors Llc Dba General Motors (USA)
TG39 General Motors Corp (USA)
TG20 General Motors Corp (USA)
1513492 General Motors Llc Dba General Motors (USA)
1513092 General Motors Corp (USA)
TG20 General Motors Llc Dba General Motors (USA)
TG27 General Motors Corp (USA)
00266-0052 Harsco Corp Bmy-Combat Systems Div (USA)
1513092 General Motors Llc Dba General Motors (USA)
1512138 General Motors Corp (USA)
TG20 General Motors Llc Dba General Motors Llc (USA)
361L Cascade Engine Center, Llc (USA)
1512890 General Motors Corp (USA)
6490761 General Motors Llc Dba General Motors (USA)
8993093 TYPE TG88 General Motors Llc Dba General Motors (USA)
TG39 General Motors Llc Dba General Motors Llc (USA)
8993093 TYPE TG88 General Motors Llc Dba General Motors Llc (USA)
1513092 General Motors Llc Dba General Motors Llc (USA)
Related Parts
5330-00-384-8776INTERCHANGEABLE
GASKET
525K970
5950-00-484-7671INTERCHANGEABLE
REACTOR
TG20
5940-00-503-6055INTERCHANGEABLE
TERMINAL,LUG
TG20
5330-00-608-9258INTERCHANGEABLE
GASKET,END COVER
266052
6685-00-948-6074INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
82326-96IN
4020-01-243-0141INTERCHANGEABLE
TAPE,LACING AND TYING
55299-2
6625-01-694-1478INTERCHANGEABLE
ACCESSORY KIT,ELECTRICAL-ELECTRO
TG20

Frequently Asked Questions

What is NSN 6685-00-557-3379?

NSN 6685-00-557-3379 is a Thermometer,indicating,capillary, manufactured by General Motors Llc Dba General Motors, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-557-3379?

NSN 6685-00-557-3379 has 26 cross-referenced part numbers: TG39 (General Motors Llc Dba General Motors), 1513492 (General Motors Corp), TG27 (General Motors Llc Dba General Motors), TG39 (General Motors Corp), TG20 (General Motors Corp) and 21 more.

What NSN replaces 6685-00-557-3379?

There are 7 known substitutes for 6685-00-557-3379: 5330-00-384-8776, 5950-00-484-7671, 5940-00-503-6055 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of TG39?

Key specifications for TG39: Bulb Overall Length: 2.250 INCHES NOMINAL IN; Scale Inscription/background Color: PHOSPHORESCENT GREEN MARKINGS ON BLACK BACKGROUND; Active Portion Diameter: 0.375 INCHES NOMINAL IN; Material: COPPER ALLOY BULB. 22 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-557-3379 still in active supply?

NSN 6685-00-557-3379 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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