PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

EA24-3CBF-EWB0Gage,compound Pressure-Vacuum,di

Ashcroft Inc Dba Heise · NSN 6685-00-545-3163 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-545-3163 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-545-3163. Primary manufacturer part number: EA24-3CBF-EWB0.
Features
  • Gage,compound Pressure-Vacuum,di — FSC 6685
  • Mounting Hole Diameter: 0.219 INCHES NOMINAL IN
  • Mounting Hole Quantity: 3
  • Dial Size: 4-1/2 IN. DIA IN
  • Unable to Decode: UNABLE TO DECODE
  • Mounting Method: FLUSH
  • Material: PLASTIC PROTECTIVE CRYSTAL
  • Adjustability: ADJUSTABLE
Applications
  • Applications requiring Plastic Protective Crystal construction
General Description

The Gage,compound Pressure-Vacuum,di, cataloged under National Stock Number 6685-00-545-3163, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Ashcroft Inc Dba Heise. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-545-3163
Primary Part NumberEA24-3CBF-EWB0
Item NameGage,compound Pressure-Vacuum,di
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAshcroft Inc Dba Heise
StatusCANCELLED
Mounting Hole Diameter0.219 INCHES NOMINAL IN
Mounting Hole Quantity3
Dial Size4-1/2 IN. DIA IN
Unable to DecodeUNABLE TO DECODE
Mounting MethodFLUSH
MaterialPLASTIC PROTECTIVE CRYSTAL
AdjustabilityADJUSTABLE
Connector Type VentNOT PROVIDED
Scale AccuracyPORM 1 PCT ENTIRE RANGE
Graduation Unit10.0 INCHES OF MERCURY AND 5.0 POUNDS PER SQUARE INCH LBS
MaterialNICKEL ALLOY AND COPPER ALLOY ACTUATING ELEMENT
Scale Inscription/background ColorBLACK MARKINGS ON WHITE BACKGROUND
Actuation TypeBOURDON TUBE
Scale NamePRESSURE-VACUUM
Connection Size0.250 IN. TUBE IN
Bezel TypeSNAP-ON
Pointer ColorBLACK AND RED
Scale TypeSINGLE
Pointer TypeINDICATING AND REFERENCE
Connection Quantity1
Connection LocationLOWER RIGHT HAND SIDE
Scale Range+0.0 TO 30.0 INCHES OF MERCURY AND +0.0 TO 30.0 POUNDS PRESSURE PER SQUARE INCH LBS
Surface TreatmentPAINT CASE
MaterialALUMINUM CASE
Connection TypeEXTERNAL
Scale Smallest Increment1.0 INCHES OF MERCURY (INHG) AND 1.0 POUNDS PER SQUARE INCH (PSI) LBS
Bolt Circle Diameter5.376 INCHES NOMINAL IN
Overall Diameter5.876 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5950-00-081-19032433635 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5940-00-615-64582761 INTERCHANGEABLE
Terminal,lug
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5950-00-968-31732096209 INTERCHANGEABLE
Transformer,power
L3harris Technologies, Inc.
5930-00-991-179734-162 INTERCHANGEABLE
Switch,slide
Gc/waldom Inc
3120-01-258-561134162 INTERCHANGEABLE
Bushing Kit,levelin
Linear Industries, Ltd. Dba Linear Industries Ltd
Cross-Reference Index
Part NumberManufacturer
850-7998 Aqua-Chem, Inc. (USA)
SA24-3CBFEWB0 Weksler Glass Thermometer Corp (USA)
EA24-3CBF-EWB0 PRIMARY Ashcroft Inc Dba Heise (USA)
EA24-3CFBF-EWB0 Ashcroft Inc Dba Heise (USA)
32342PC71 Setra Systems, Inc. Dba Gems Sensors (USA)
SCS-4M3Y Moeller Instrument Company, Inc. Dba Moeller Instrument Co (USA)
EA24-3CBF-EWB0 Weksler Glass Thermometer Corp (USA)
34162 Setra Systems, Inc. Dba Gems Sensors (USA)
Related Parts
5950-00-081-1903INTERCHANGEABLE
TRANSFORMER,POWER
2433635
5940-00-615-6458INTERCHANGEABLE
TERMINAL,LUG
2761
5950-00-968-3173INTERCHANGEABLE
TRANSFORMER,POWER
2096209
5930-00-991-1797INTERCHANGEABLE
SWITCH,SLIDE
34-162
3120-01-258-5611INTERCHANGEABLE
BUSHING KIT,LEVELIN
34162

Frequently Asked Questions

What is NSN 6685-00-545-3163?

NSN 6685-00-545-3163 is a Gage,compound Pressure-Vacuum,di, manufactured by Ashcroft Inc Dba Heise, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-545-3163?

NSN 6685-00-545-3163 has 8 cross-referenced part numbers: 850-7998 (Aqua-Chem, Inc.), SA24-3CBFEWB0 (Weksler Glass Thermometer Corp), EA24-3CBF-EWB0 (Ashcroft Inc Dba Heise), EA24-3CFBF-EWB0 (Ashcroft Inc Dba Heise), 32342PC71 (Setra Systems, Inc. Dba Gems Sensors) and 3 more.

What NSN replaces 6685-00-545-3163?

There are 5 known substitutes for 6685-00-545-3163: 5950-00-081-1903, 5940-00-615-6458, 5950-00-968-3173 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of EA24-3CBF-EWB0?

Key specifications for EA24-3CBF-EWB0: Mounting Hole Diameter: 0.219 INCHES NOMINAL IN; Mounting Hole Quantity: 3; Dial Size: 4-1/2 IN. DIA IN; Unable to Decode: UNABLE TO DECODE. 29 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-545-3163 still in active supply?

NSN 6685-00-545-3163 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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