PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25-1009A-02B-XFF-0-600PSI-OSGage,pressure,dial Indicating

Ashcroft Inc Dba Heise · NSN 6685-01-038-7736 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-038-7736 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-038-7736. Primary manufacturer part number: 25-1009A-02B-XFF-0-600PSI-OS.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Bolt Circle Diameter: 3.130 INCHES NOMINAL IN
  • Material: BRONZE ACTUATING ELEMENT
  • Nondefinitive Spec/std Data: 1 POLISHED
  • Material: GLASS PROTECTIVE CRYSTAL
  • Material: STEEL CORROSION RESISTING CASE
  • Mounting Hole Quantity: 3
  • Overall Diameter: 3.688 INCHES NOMINAL IN
Applications
  • Applications requiring Bronze Actuating Element construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-038-7736, 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 6 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: Cancelled.

Technical Specifications
ParameterValue
NSN6685-01-038-7736
Primary Part Number25-1009A-02B-XFF-0-600PSI-OS
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAshcroft Inc Dba Heise
StatusCANCELLED
Bolt Circle Diameter3.130 INCHES NOMINAL IN
MaterialBRONZE ACTUATING ELEMENT
Nondefinitive Spec/std Data1 POLISHED
MaterialGLASS PROTECTIVE CRYSTAL
MaterialSTEEL CORROSION RESISTING CASE
Mounting Hole Quantity3
Overall Diameter3.688 INCHES NOMINAL IN
Connection Size0.250 IN. NPT IN
Connector Type VentNOT PROVIDED
Scale TypeSINGLE
Scale AccuracyPORM 1 PCT MIDDLE,3 PCT REMAINDER
Connection LocationBACK, CENTER
Scale Smallest Increment10.0 POUNDS PER SQUARE INCH (PSI) LBS
Unable to DecodeUNABLE TO DECODE
Graduation Unit50.0 POUNDS PER SQUARE INCH LBS
Scale Inscription/background ColorBLACK MARKINGS ON WHITE BACKGROUND
Dial Size2-1/2 IN. DIA IN
Pointer ColorBLACK
Pointer TypeINDICATING
Scale Range+0.0 TO 600.0 POUNDS PRESSURE PER SQUARE INCH LBS
Mounting MethodFLUSH
AdjustabilityADJUSTABLE
Actuation TypeBOURDON TUBE
Scale NamePRESSURE
Connection TypeEXTERNAL
Connection Quantity1
Bezel TypeBAYONET
Mounting Hole Diameter0.160 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
4730-01-184-9295D1D-55597 INTERCHANGEABLE
Coupling Half,quick Disconnect
Echelon Supply and Service, Inc.
4520-01-428-639555597 INTERCHANGEABLE
Heating Element,electrical,nonim
Indeeco Llc Dba Indeeco
1080-01-541-30832KP744 INTERCHANGEABLE
Cover,camouflage Screening
Oshkosh Defense Llc
Cross-Reference Index
Part NumberManufacturer
2438813-1 Honeywell Intl Inc Defense Avionics Systems (USA)
55597 Keco Industries, Inc. (USA)
25-1009A-02B-XFF-0-600PSI-OS PRIMARY Ashcroft Inc Dba Heise (USA)
25-1009A02BXFF0-600PSI Ashcroft Inc Dba Heise (USA)
1009AXFF,0-600PS Ashcroft Inc Dba Heise (USA)
1009AXFF0-600 Ashcroft Inc Dba Heise (USA)
Related Parts
4730-01-184-9295INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
D1D-55597
4520-01-428-6395INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
55597
1080-01-541-3083INTERCHANGEABLE
COVER,CAMOUFLAGE SCREENING
2KP744

Frequently Asked Questions

What is NSN 6685-01-038-7736?

NSN 6685-01-038-7736 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 6685-01-038-7736?

NSN 6685-01-038-7736 has 6 cross-referenced part numbers: 2438813-1 (Honeywell Intl Inc Defense Avionics Systems), 55597 (Keco Industries, Inc.), 25-1009A-02B-XFF-0-600PSI-OS (Ashcroft Inc Dba Heise), 25-1009A02BXFF0-600PSI (Ashcroft Inc Dba Heise), 1009AXFF,0-600PS (Ashcroft Inc Dba Heise) and 1 more.

What NSN replaces 6685-01-038-7736?

There are 3 known substitutes for 6685-01-038-7736: 4730-01-184-9295, 4520-01-428-6395, 1080-01-541-3083. Verify interchangeability with system specifications before substitution.

What are the specifications of 25-1009A-02B-XFF-0-600PSI-OS?

Key specifications for 25-1009A-02B-XFF-0-600PSI-OS: Bolt Circle Diameter: 3.130 INCHES NOMINAL IN; Material: BRONZE ACTUATING ELEMENT; Nondefinitive Spec/std Data: 1 POLISHED; Material: GLASS PROTECTIVE CRYSTAL. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-01-038-7736 still in active supply?

NSN 6685-01-038-7736 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