PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

EE34645Gage,compound Pressure-Vacuum,di

Oshkosh Defense Llc · NSN 6685-00-141-4300 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-141-4300 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-141-4300. Primary manufacturer part number: EE34645.
Features
  • Gage,compound Pressure-Vacuum,di — FSC 6685
  • Mounting Hole Diameter: 0.219 INCHES NOMINAL IN
  • Scale Inscription/background Color: BLACK MARKINGS ON WHITE BACKGROUND
  • Scale Accuracy: PORM 1 PCT FULL RANGE
  • Material: ALUMINUM CASE
  • Material: GLASS PROTECTIVE CRYSTAL
  • Dial Size: 4-1/2 IN. DIA IN
  • Pointer Color: BLACK
Applications
  • Applications requiring Aluminum Case construction
General Description

The Gage,compound Pressure-Vacuum,di, cataloged under National Stock Number 6685-00-141-4300, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Oshkosh Defense Llc. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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
NSN6685-00-141-4300
Primary Part NumberEE34645
Item NameGage,compound Pressure-Vacuum,di
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerOshkosh Defense Llc
StatusACTIVE
Mounting Hole Diameter0.219 INCHES NOMINAL IN
Scale Inscription/background ColorBLACK MARKINGS ON WHITE BACKGROUND
Scale AccuracyPORM 1 PCT FULL RANGE
MaterialALUMINUM CASE
MaterialGLASS PROTECTIVE CRYSTAL
Dial Size4-1/2 IN. DIA IN
Pointer ColorBLACK
Scale NamePRESSURE-VACUUM
Scale Smallest Increment5.0 INCHES OF MERCURY (INHG) AND 5.0 POUNDS PER SQUARE INCH (PSI) LBS
AdjustabilityADJUSTABLE
Scale TypeSINGLE
Pointer TypeINDICATING
Graduation Unit30.0 INCHES OF MERCURY AND 50.0 POUNDS PER SQUARE INCH LBS
MaterialCOPPER ALLOY 511 ACTUATING ELEMENT
Actuation TypeBOURDON TUBE
Connection Quantity1
Scale Range+0.0 TO 30.0 INCHES OF MERCURY AND +0.0 TO 400.0 POUNDS PRESSURE PER SQUARE INCH LBS
Connection LocationLOWER BACK
Connection Size0.250 IN. NPT DIA IN
Bolt Circle Diameter2.688 INCHES NOMINAL IN
Supplementary FeaturesPHOSPHOR BRONZE ACTUATIING ELEMENT
Overall Diameter4.938 INCHES NOMINAL IN
Connector Type VentNOT PROVIDED
Mounting Hole Quantity3
Mounting MethodFLUSH
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5940-00-186-2878AA-2 INTERCHANGEABLE
Splice,conductor
Abb Installation Products Inc
5930-01-161-34080N242397 INTERCHANGEABLE
Push Button
National Security Agency
2990-01-201-28686189-9 INTERCHANGEABLE
Muffler,exhaust
Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
Cross-Reference Index
Part NumberManufacturer
BA14WCH4RWXX Ashcroft Inc Dba Heise (USA)
EE34645 PRIMARY Oshkosh Defense Llc (USA)
BA146CH4RW Ashcroft Inc Dba Heise (USA)
EE34645 Oshkosh Corp (USA)
AA2 Ashcroft Inc Dba Heise (USA)
Related Parts
5940-00-186-2878INTERCHANGEABLE
SPLICE,CONDUCTOR
AA-2
5930-01-161-3408INTERCHANGEABLE
PUSH BUTTON
0N242397
2990-01-201-2868INTERCHANGEABLE
MUFFLER,EXHAUST
6189-9

Frequently Asked Questions

What is NSN 6685-00-141-4300?

NSN 6685-00-141-4300 is a Gage,compound Pressure-Vacuum,di, manufactured by Oshkosh Defense Llc, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-141-4300?

NSN 6685-00-141-4300 has 5 cross-referenced part numbers: BA14WCH4RWXX (Ashcroft Inc Dba Heise), EE34645 (Oshkosh Defense Llc), BA146CH4RW (Ashcroft Inc Dba Heise), EE34645 (Oshkosh Corp), AA2 (Ashcroft Inc Dba Heise).

What NSN replaces 6685-00-141-4300?

There are 3 known substitutes for 6685-00-141-4300: 5940-00-186-2878, 5930-01-161-3408, 2990-01-201-2868. Verify interchangeability with system specifications before substitution.

What are the specifications of EE34645?

Key specifications for EE34645: Mounting Hole Diameter: 0.219 INCHES NOMINAL IN; Scale Inscription/background Color: BLACK MARKINGS ON WHITE BACKGROUND; Scale Accuracy: PORM 1 PCT FULL RANGE; Material: ALUMINUM CASE. 26 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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