PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

989C508H01Thermometer,indicating,capillary

H O Trerice Co · NSN 6685-01-010-2045 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-010-2045 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-010-2045. Primary manufacturer part number: 989C508H01.
Features
  • Thermometer,indicating,capillary — FSC 6685
  • Mounting Facility Type and Quantity: 3 STUD(S)
  • Active Portion Diameter: 0.370 INCHES NOMINAL IN
  • Mounting Thread Quantity: 24 PER INCH
  • Case Diameter: 6.060 INCHES NOMINAL IN
  • Pointer/pen Type and Quantity: 1 INDICATING SINGLE
  • Material: ALUMINUM AND GLASS AND STEEL CORROSION RESISTING OVERALL
  • Mounting Facility Nominal Screw Thread Diameter: 0.190 INCHES IN
Applications
  • Applications requiring Aluminum and Glass and Steel Corrosion Resisting Overall construction
General Description

The Thermometer,indicating,capillary, cataloged under National Stock Number 6685-01-010-2045, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is H O Trerice Co. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, 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
NSN6685-01-010-2045
Primary Part Number989C508H01
Item NameThermometer,indicating,capillary
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerH O Trerice Co
StatusACTIVE
Mounting Facility Type and Quantity3 STUD(S)
Active Portion Diameter0.370 INCHES NOMINAL IN
Mounting Thread Quantity24 PER INCH
Case Diameter6.060 INCHES NOMINAL IN
Pointer/pen Type and Quantity1 INDICATING SINGLE
MaterialALUMINUM AND GLASS AND STEEL CORROSION RESISTING OVERALL
Mounting Facility Nominal Screw Thread Diameter0.190 INCHES IN
Scale Accuracy Rating1 PERCENT OF DIAL RANGE
Mounting Facility Screw Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Bulb Quantity1
Dial Diameter4.500 INCHES NOMINAL IN
Scale TypeDIAL
Actuating MediumMERCURY
Scale Smallest Increment2.0 DEG FAHRENHEIT
Active Portion Length6.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4720-00-017-079728432 INTERCHANGEABLE
Hose,nonmetallic
Gates Corporation
5935-00-018-90785M958 INTERCHANGEABLE
Connector,plug,electrical
The Boeing Company Div Defense
5340-00-182-694416000-SS-7 INTERCHANGEABLE
Ferrule,grooved Clamp Coupling
Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware
5910-00-489-2000 INTERCHANGEABLE
Capacitor,variable,air Dielectri
5360-00-537-93838P10-5228 INTERCHANGEABLE
Spring
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
8115-00-901-64356435 INTERCHANGEABLE
Box,shipping
Connecticut Container Corp. Dba Connecticut Container Corp
5945-00-949-7979C503000326 INTERCHANGEABLE
Relay,electromagnetic
Kearfott Corporation Div Guidance and Navigation Division
5120-01-170-50885003424 INTERCHANGEABLE
Socket,wrench,face Spanner
Dept of the Army U S Army Electronics Command Night Vision Laboratory
5306-01-290-3315 INTERCHANGEABLE
Bolt,machine
5120-01-335-9007 INTERCHANGEABLE
Handle,socket Wrench
Cross-Reference Index
Part NumberManufacturer
989C508H01 H O Trerice Co (USA)
989C508H01 Metro Refrigeration Supply Inc (USA)
989C508H01 Northrop Grumman Systems Corporation Dba Electronic Systems (USA)
6435 Ashcroft Inc Dba Heise (USA)
Related Parts
4720-00-017-0797INTERCHANGEABLE
HOSE,NONMETALLIC
28432
5935-00-018-9078INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5M958
5340-00-182-6944INTERCHANGEABLE
FERRULE,GROOVED CLAMP COUPLING
16000-SS-7
5910-00-489-2000INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
5360-00-537-9383INTERCHANGEABLE
SPRING
8P10-5228
8115-00-901-6435INTERCHANGEABLE
BOX,SHIPPING
6435
5945-00-949-7979INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
C503000326
5120-01-170-5088INTERCHANGEABLE
SOCKET,WRENCH,FACE SPANNER
5003424
5306-01-290-3315INTERCHANGEABLE
BOLT,MACHINE
5120-01-335-9007INTERCHANGEABLE
HANDLE,SOCKET WRENCH
6850-01-519-7179INTERCHANGEABLE
CLEANING COMPOUND,AIRCRAFT SURFA
2920-01-642-8321INTERCHANGEABLE
GENERATOR,ENGINE ACCESSORY
64/35

Frequently Asked Questions

What is NSN 6685-01-010-2045?

NSN 6685-01-010-2045 is a Thermometer,indicating,capillary, manufactured by H O Trerice Co, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-010-2045?

NSN 6685-01-010-2045 has 4 cross-referenced part numbers: 989C508H01 (H O Trerice Co), 989C508H01 (Metro Refrigeration Supply Inc), 989C508H01 (Northrop Grumman Systems Corporation Dba Electronic Systems), 6435 (Ashcroft Inc Dba Heise).

What NSN replaces 6685-01-010-2045?

There are 12 known substitutes for 6685-01-010-2045: 4720-00-017-0797, 5935-00-018-9078, 5340-00-182-6944 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 989C508H01?

Key specifications for 989C508H01: Mounting Facility Type and Quantity: 3 STUD(S); Special Features: EXTRA SENSITIVE BULB; Active Portion Diameter: 0.370 INCHES NOMINAL IN; Mounting Thread Quantity: 24 PER INCH. 17 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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