PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AA46-UPT2-LWX9Gage,pressure,dial Indicating

Ashcroft Inc Dba Heise · NSN 6685-00-234-8989 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-234-8989 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-234-8989. Primary manufacturer part number: AA46-UPT2-LWX9.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Color: BLACK CASE
  • Overall Diameter: 7.625 INCHES NOMINAL IN
  • Surface Treatment: ENAMEL CASE
  • Mounting Hole Quantity: 3
  • Material: STEEL CORROSION RESISTING ACTUATING ELEMENT
  • Usage Design: W/OXYGEN
  • Scale Inscription/background Color: BLACK FIGURES ON WHITE BACKGROUND
Applications
  • Applications requiring Steel Corrosion Resisting Actuating Element construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-234-8989, 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 9 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-234-8989
Primary Part NumberAA46-UPT2-LWX9
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAshcroft Inc Dba Heise
StatusCANCELLED
ColorBLACK CASE
Overall Diameter7.625 INCHES NOMINAL IN
Surface TreatmentENAMEL CASE
Mounting Hole Quantity3
MaterialSTEEL CORROSION RESISTING ACTUATING ELEMENT
Usage DesignW/OXYGEN
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Actuation TypeSINGLE BOURDON TUBE
Dial Size6 IN. DIA IN
Scale Smallest Increment25.000 POUNDS PER SQUARE INCH (PSI) LBS
Scale Range+0.000 TO 3000.000 POUNDS PRESSURE PER SQUARE INCH LBS
Mounting MethodSURFACE WALL
Bezel TypeTHREAD
Pointer TypeINDICATING
Pointer ColorBLACK
Connection Size0.500 IN. NPT IN
Connection LocationLOWER
Scale TypeSINGLE
Graduation Unit500.000 POUNDS PER SQUARE INCH LBS
Unable to DecodeUNABLE TO DECODE
Scale NamePRESSURE
Connection TypeEXTERNAL
Scale Accuracy0.5 PCT ENTIRE RANGE
AdjustabilityADJUSTABLE
Connection Quantity1
Connector Type VentNOT PROVIDED
Bolt Circle Diameter7.000 INCHES NOMINAL IN
MaterialGLASS PROTECTIVE CRYSTAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
6625-00-053-8154152283-12 INTERCHANGEABLE
Voltmeter
Raytheon Company Dba Raytheon Co
6685-00-435-9267AA446PH4RW INTERCHANGEABLE
Gage,pressure,dial Indicating
Weksler Glass Thermometer Corp
6625-00-464-2144152283-30 INTERCHANGEABLE
Ammeter
Raytheon Company Dba Raytheon Co
6625-00-464-21451931-4622005 INTERCHANGEABLE
Multimeter
Raytheon Company Dba Raytheon Co
6625-00-486-8631 INTERCHANGEABLE
Voltmeter
6685-00-837-3522AA444PF4LW INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
6685-00-840-3749 INTERCHANGEABLE
Gage,pressure,dial Indicating
6625-00-957-0527 INTERCHANGEABLE
Ammeter
6685-00-958-60581931T-150234 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
6625-01-138-20356062 INTERCHANGEABLE
Meter,null
Finnigan Corporation
Cross-Reference Index
Part NumberManufacturer
1WQH29877AKA001 Desco Corp Marsh Bellofram Div (USA)
60-1079JS04LX6D3000 Ashcroft Inc Dba Heise (USA)
60-1379TAS04LX6B3000 Ashcroft Inc Dba Heise (USA)
1931T Ametek, Inc. Div Aerospace & Defense (USA)
60-1079TAS04LX6D3000 Ashcroft Inc Dba Heise (USA)
440L Bristol Babcock Inc Helicoid Instruments Div (USA)
AA464PT4LWA Ashcroft Inc Dba Heise (USA)
AA46-UPT2-LWX9 PRIMARY Ashcroft Inc Dba Heise (USA)
60-1079TA04L3000 Ashcroft Inc Dba Heise (USA)
Related Parts
6625-00-053-8154INTERCHANGEABLE
VOLTMETER
152283-12
6685-00-435-9267INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
AA446PH4RW
6625-00-464-2144INTERCHANGEABLE
AMMETER
152283-30
6625-00-464-2145INTERCHANGEABLE
MULTIMETER
1931-4622005
6625-00-486-8631INTERCHANGEABLE
VOLTMETER
6685-00-837-3522INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
AA444PF4LW
6685-00-840-3749INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6625-00-957-0527INTERCHANGEABLE
AMMETER
6685-00-958-6058INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
1931T-150234
6625-01-138-2035INTERCHANGEABLE
METER,NULL
6062

Frequently Asked Questions

What is NSN 6685-00-234-8989?

NSN 6685-00-234-8989 is a Gage,pressure,dial Indicating, manufactured by Ashcroft Inc Dba Heise, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-234-8989?

NSN 6685-00-234-8989 has 9 cross-referenced part numbers: 1WQH29877AKA001 (Desco Corp Marsh Bellofram Div), 60-1079JS04LX6D3000 (Ashcroft Inc Dba Heise), 60-1379TAS04LX6B3000 (Ashcroft Inc Dba Heise), 1931T (Ametek, Inc. Div Aerospace & Defense), 60-1079TAS04LX6D3000 (Ashcroft Inc Dba Heise) and 4 more.

What NSN replaces 6685-00-234-8989?

There are 10 known substitutes for 6685-00-234-8989: 6625-00-053-8154, 6685-00-435-9267, 6625-00-464-2144 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AA46-UPT2-LWX9?

Key specifications for AA46-UPT2-LWX9: Color: BLACK CASE; Overall Diameter: 7.625 INCHES NOMINAL IN; Overall Depth: 3.250 INCHES NOMINAL IN; Surface Treatment: ENAMEL CASE. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-234-8989 still in active supply?

NSN 6685-00-234-8989 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.
PartsTable Design LLC · partstable.com