PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AA44-2PH4-LWXXGage,pressure,dial Indicating

Ashcroft Inc Dba Heise · NSN 6685-01-022-5854 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-022-5854 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-022-5854. Primary manufacturer part number: AA44-2PH4-LWXX.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Mounting Hole Quantity: 3
  • Mounting Hole Diameter: 0.219 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING ACTUATING ELEMENT
  • Surface Treatment: EPOXY CASE
  • Material: PLASTIC PROTECTIVE CRYSTAL
  • Color: BLACK CASE
  • Material: PLASTIC PHENOLIC CASE
Applications
  • Applications requiring Steel Corrosion Resisting Actuating Element construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-022-5854, 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 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-01-022-5854
Primary Part NumberAA44-2PH4-LWXX
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAshcroft Inc Dba Heise
StatusCANCELLED
Mounting Hole Quantity3
Mounting Hole Diameter0.219 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING ACTUATING ELEMENT
Surface TreatmentEPOXY CASE
MaterialPLASTIC PROTECTIVE CRYSTAL
ColorBLACK CASE
MaterialPLASTIC PHENOLIC CASE
Bolt Circle Diameter5.375 INCHES NOMINAL IN
Scale NamePRESSURE
Bezel TypeSNAP-ON
Connection Quantity1
Graduation Unit20.0 POUNDS PER SQUARE INCH LBS
Actuation TypeBOURDON TUBE
Scale Smallest Increment2.0 POUNDS PER SQUARE INCH (PSI) LBS
Scale TypeSINGLE
Pointer ColorBLACK AND RED
Scale Range+0.0 TO 200.0 POUNDS PRESSURE PER SQUARE INCH LBS
Scale Inscription/background ColorBLACK MARKINGS ON WHITE BACKGROUND
Connector Type VentNOT PROVIDED
Dial Size4-1/2 IN. DIA IN
Connection LocationBOTTOM
Scale Accuracy1/2 PCT ENTIRE RANGE
AdjustabilityADJUSTABLE
Connection TypeEXTERNAL
Mounting MethodSURFACE WALL
Connection Size0.250 IN. NPT IN
Pointer TypeINDICATING AND REFERENCE
Overall Diameter5.812 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5315-00-010-6750 INTERCHANGEABLE
Key,woodruff
6685-00-065-1485AA442PM4RW INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
6685-00-068-975845-1279A04B100 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
6685-00-087-9291BA14-PPG2-LWXX INTERCHANGEABLE
Gage,pressure,dial Indicating
Weksler Glass Thermometer Corp
6685-00-729-49011279A INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
6685-00-842-125268A75D299-1 INTERCHANGEABLE
Gage,pressure,dial Indicating
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
6685-00-959-326760-1279A02LT1PD600 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
3040-01-300-8596PB4-0221 INTERCHANGEABLE
Lever,remote Control
Marine Electronics, Llc Sales
Cross-Reference Index
Part NumberManufacturer
AA44-2PH4-LWXX PRIMARY Ashcroft Inc Dba Heise (USA)
AA14-2PH4-LWXX Ashcroft Inc Dba Heise (USA)
1279A Ashcroft Inc Dba Heise (USA)
Related Parts
5315-00-010-6750INTERCHANGEABLE
KEY,WOODRUFF
6685-00-065-1485INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
AA442PM4RW
6685-00-068-9758INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
45-1279A04B100
6685-00-087-9291INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
BA14-PPG2-LWXX
6685-00-729-4901INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
1279A
6685-00-842-1252INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
68A75D299-1
6685-00-959-3267INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
60-1279A02LT1PD600
3040-01-300-8596INTERCHANGEABLE
LEVER,REMOTE CONTROL
PB4-0221

Frequently Asked Questions

What is NSN 6685-01-022-5854?

NSN 6685-01-022-5854 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 6685-01-022-5854?

NSN 6685-01-022-5854 has 3 cross-referenced part numbers: AA44-2PH4-LWXX (Ashcroft Inc Dba Heise), AA14-2PH4-LWXX (Ashcroft Inc Dba Heise), 1279A (Ashcroft Inc Dba Heise).

What NSN replaces 6685-01-022-5854?

There are 8 known substitutes for 6685-01-022-5854: 5315-00-010-6750, 6685-00-065-1485, 6685-00-068-9758 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AA44-2PH4-LWXX?

Key specifications for AA44-2PH4-LWXX: Mounting Hole Quantity: 3; Mounting Hole Diameter: 0.219 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING ACTUATING ELEMENT; Surface Treatment: EPOXY CASE. 29 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-01-022-5854 still in active supply?

NSN 6685-01-022-5854 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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