PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6964-6Thermometer,indicating,capillary

Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect · NSN 6685-00-168-4416 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-168-4416 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-168-4416. Primary manufacturer part number: 6964-6.
Features
  • Thermometer,indicating,capillary — FSC 6685
  • Actuating Medium: VAPOR PRESSURE
  • Scale Smallest Increment: 2.0 DEG FAHRENHEIT
  • Bulb Overall Length: 4.500 INCHES NOMINAL IN
  • Scale Accuracy Rating: 1 DEG AT 50 DEG F DEGF
  • Pointer/pen Type and Quantity: 1 INDICATING SINGLE
  • Case Diameter: 4.000 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING BULB
Applications
  • Applications requiring Steel Corrosion Resisting Bulb construction
General Description

The Thermometer,indicating,capillary, cataloged under National Stock Number 6685-00-168-4416, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-168-4416
Primary Part Number6964-6
Item NameThermometer,indicating,capillary
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerCooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
StatusACTIVE
Actuating MediumVAPOR PRESSURE
Scale Smallest Increment2.0 DEG FAHRENHEIT
Bulb Overall Length4.500 INCHES NOMINAL IN
Scale Accuracy Rating1 DEG AT 50 DEG F DEGF
Pointer/pen Type and Quantity1 INDICATING SINGLE
Case Diameter4.000 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING BULB
MaterialSTEEL CORROSION RESISTING BULB
Active Portion Length3.000 INCHES NOMINAL IN
Bulb Overall Length4.500 INCHES NOMINAL IN
Scale TypeCONCENTRIC DIAL
Bulb Connection TypeUNION
Flexible Tube Length60.000 INCHES NOMINAL IN
Active Portion Length3.000 INCHES NOMINAL IN
Case TypeDUSTPROOF
Scale Measurement Range-20.000 TO 120.000 DEG FAHRENHEIT
Pointer/pen Type and Quantity1 INDICATING SINGLE
Scale Inscription/background ColorBLACK MARKING ON WHITE BACKGROUND
Flexible Tube Length60.000 INCHES NOMINAL IN
Active Portion Diameter1.406 INCHES NOMINAL IN
Active Portion Diameter1.406 INCHES NOMINAL IN
Indicator Connection MethodFLEXIBLE TUBE
Indicator Connection MethodFLEXIBLE TUBE
Bulb TypePLAIN RIGID
Bulb Quantity1
Dial Diameter3.500 INCHES NOMINAL IN
Scale Measurement Range-20.000 TO 120.000 DEG FAHRENHEIT
MaterialPLASTIC METER CASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4820-00-273-8488FC11579 INTERCHANGEABLE
Valve,bleeder,hydraulic System
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
3120-00-662-141469646 INTERCHANGEABLE
Bushing,sleeve
Cummins Inc.
5120-00-997-325469646 INTERCHANGEABLE
Crimping Tool,terminal,hand
Te Connectivity Corporation
Cross-Reference Index
Part NumberManufacturer
6964-6 PRIMARY Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect (USA)
312R-G33F-C052 Ashcroft Inc Dba Heise (USA)
312AJ00FC05W Ashcroft Inc Dba Heise (USA)
6964-6 Air Dry Co of America, Llc (USA)
Related Parts
4820-00-273-8488INTERCHANGEABLE
VALVE,BLEEDER,HYDRAULIC SYSTEM
FC11579
3120-00-662-1414INTERCHANGEABLE
BUSHING,SLEEVE
69646
5120-00-997-3254INTERCHANGEABLE
CRIMPING TOOL,TERMINAL,HAND
69646

Frequently Asked Questions

What is NSN 6685-00-168-4416?

NSN 6685-00-168-4416 is a Thermometer,indicating,capillary, manufactured by Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-168-4416?

NSN 6685-00-168-4416 has 4 cross-referenced part numbers: 6964-6 (Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect), 312R-G33F-C052 (Ashcroft Inc Dba Heise), 312AJ00FC05W (Ashcroft Inc Dba Heise), 6964-6 (Air Dry Co of America, Llc).

What NSN replaces 6685-00-168-4416?

There are 3 known substitutes for 6685-00-168-4416: 4820-00-273-8488, 3120-00-662-1414, 5120-00-997-3254. Verify interchangeability with system specifications before substitution.

What are the specifications of 6964-6?

Key specifications for 6964-6: Actuating Medium: VAPOR PRESSURE; Scale Smallest Increment: 2.0 DEG FAHRENHEIT; Bulb Overall Length: 4.500 INCHES NOMINAL IN; Scale Accuracy Rating: 1 DEG AT 50 DEG F DEGF. 29 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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