PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6748-180Gage,absolute Pressure,dial Indi

Ashcroft Inc Dba Heise · NSN 6685-00-514-6189 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-514-6189 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-514-6189. Primary manufacturer part number: 6748-180.
Features
  • Gage,absolute Pressure,dial Indi — FSC 6685
  • Bolt Circle Diameter: 3.500 INCHES NOMINAL IN
  • Mounting Method: FLUSH PANEL
  • Connection Size: 1/8 NPT
  • Graduation Unit: 10.0 INCHES IN
  • Material: GLASS PROTECTIVE CRYSTAL
  • Connection Quantity: 1
  • Departure From Cited Document: AS MODIFIED BY SCALE INSCRIPTION/BACKGROUND COLOR,POINTER COLOR
Applications
  • Applications requiring Glass Protective Crystal construction
General Description

The Gage,absolute Pressure,dial Indi, cataloged under National Stock Number 6685-00-514-6189, 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 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-514-6189
Primary Part Number6748-180
Item NameGage,absolute Pressure,dial Indi
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAshcroft Inc Dba Heise
StatusACTIVE
Bolt Circle Diameter3.500 INCHES NOMINAL IN
Mounting MethodFLUSH PANEL
Connection Size1/8 NPT
Graduation Unit10.0 INCHES IN
MaterialGLASS PROTECTIVE CRYSTAL
Connection Quantity1
Departure From Cited DocumentAS MODIFIED BY SCALE INSCRIPTION/BACKGROUND COLOR,POINTER COLOR
Scale TypeSINGLE
Actuation TypeDIAPHRAGM
AdjustabilityNONADJUSTABLE
Pointer TypeINDICATING
Connector Type VentNOT PROVIDED
Scale NamePRESSURE
MaterialPLASTIC PHENOLIC CASE
Connection LocationBACK
Unable to DecodeUNABLE TO DECODE
Reference Number Differentiating CharacteristicsGREEN PHOSPHORESCENT PAINT
Surface TreatmentPAINT CASE
Scale Range+10.000 TO 75.000 INCHES OF MERCURY IN
Connection TypeINTERNAL
Scale Accuracy1 PCT ENTIRE RANGE
Scale Inscription/background ColorPHOSPHORESCENT FIGURES ON BLACK BACKGROUND
Pointer ColorBLACK, FLUORESCENT
Dial Size2-3/4 IN.DIA IN
Scale Smallest Increment1.0 INCHES IN
Mounting Hole Diameter0.170 INCHES NOMINAL IN
Mounting Hole Quantity4
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6685-00-663-5491 INTERCHANGEABLE
Gage,absolute Pressure,dial Indi
Cross-Reference Index
Part NumberManufacturer
6748-180 Ashcroft Inc Dba Heise (USA)
Related Parts
6685-00-663-5491INTERCHANGEABLE
GAGE,ABSOLUTE PRESSURE,DIAL INDI

Frequently Asked Questions

What is NSN 6685-00-514-6189?

NSN 6685-00-514-6189 is a Gage,absolute Pressure,dial Indi, manufactured by Ashcroft Inc Dba Heise, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-514-6189?

NSN 6685-00-514-6189 has 1 cross-referenced part number: 6748-180 (Ashcroft Inc Dba Heise).

What NSN replaces 6685-00-514-6189?

There is 1 known substitute for 6685-00-514-6189: 6685-00-663-5491. Verify interchangeability with system specifications before substitution.

What are the specifications of 6748-180?

Key specifications for 6748-180: Bolt Circle Diameter: 3.500 INCHES NOMINAL IN; Overall Width: 3.250 INCHES NOMINAL IN; Mounting Method: FLUSH PANEL; Connection Size: 1/8 NPT. 30 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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