PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25-1001-H-02B-XFF-100Gage,pressure,dial Indicating

Ashcroft Inc Dba Heise · NSN 6685-00-936-6041 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-936-6041 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-936-6041. Primary manufacturer part number: 25-1001-H-02B-XFF-100.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Surface Treatment: PAINT EPOXY CASE
  • Color: BLACK CASE
  • Material: STEEL CASE
  • Material: GLASS PROTECTIVE CRYSTAL
  • Material: COPPER ALLOY ACTUATING ELEMENT
  • Overall Diameter: 3.468 INCHES NOMINAL IN
  • Mounting Hole Quantity: 3
Applications
  • Applications requiring Steel Case construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-936-6041, 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 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-936-6041
Primary Part Number25-1001-H-02B-XFF-100
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAshcroft Inc Dba Heise
StatusCANCELLED
Surface TreatmentPAINT EPOXY CASE
ColorBLACK CASE
MaterialSTEEL CASE
MaterialGLASS PROTECTIVE CRYSTAL
MaterialCOPPER ALLOY ACTUATING ELEMENT
Overall Diameter3.468 INCHES NOMINAL IN
Mounting Hole Quantity3
Pointer ColorBLACK
Connection Size0.250 IN. NPT DIA IN
Scale Smallest Increment2.0 POUNDS LBS
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
AdjustabilityNONADJUSTABLE
Connection TypeEXTERNAL
Actuation TypeSINGLE BOURDON TUBE
Scale Range+0.0 TO 100.0 POUNDS PRESSURE PER SQUARE INCH LBS
Graduation Unit10.0 POUNDS LBS
Scale TypeSINGLE
Connection Quantity1
Dial Size2-1/2
Connection LocationBACK
Scale NamePRESSURE
Pointer TypeINDICATING
Mounting MethodFLUSH PANEL
Scale Accuracy5 PCT ENTIRE RANGE
Connector Type VentNOT PROVIDED
Bolt Circle Diameter3.125 INCHES NOMINAL IN
Mounting Hole Diameter0.136 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
6685-00-089-44802 1-2 1DFFM1-8 02T060 INTERCHANGEABLE
Gage,pressure,dial Indicating
Bellofram Corporation
6685-00-557-0625 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-580-3488J6254 INTERCHANGEABLE
Gage,pressure,dial Indicating
Bellofram Corporation
6685-00-585-3078 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-618-6696 INTERCHANGEABLE
Gage,pressure,dial Indicating
Cross-Reference Index
Part NumberManufacturer
25-1001-H-02B-XFF-100 PRIMARY Ashcroft Inc Dba Heise (USA)
DFFM2 1-2 100 Desco Corp Marsh Bellofram Div (USA)
4785-002 Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc (USA)
1DFFM Desco Corp Marsh Bellofram Div (USA)
DFFM2 1-2-100 Desco Corp Marsh Bellofram Div (USA)
Related Parts
6685-00-089-4480INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
2 1-2 1DFFM1-8 02T060
6685-00-557-0625INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-580-3488INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
J6254
6685-00-585-3078INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-618-6696INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING

Frequently Asked Questions

What is NSN 6685-00-936-6041?

NSN 6685-00-936-6041 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 6685-00-936-6041?

NSN 6685-00-936-6041 has 5 cross-referenced part numbers: 25-1001-H-02B-XFF-100 (Ashcroft Inc Dba Heise), DFFM2 1-2 100 (Desco Corp Marsh Bellofram Div), 4785-002 (Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc), 1DFFM (Desco Corp Marsh Bellofram Div), DFFM2 1-2-100 (Desco Corp Marsh Bellofram Div).

What NSN replaces 6685-00-936-6041?

There are 5 known substitutes for 6685-00-936-6041: 6685-00-089-4480, 6685-00-557-0625, 6685-00-580-3488 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25-1001-H-02B-XFF-100?

Key specifications for 25-1001-H-02B-XFF-100: Overall Depth: 1.264 INCHES NOMINAL IN; Surface Treatment: PAINT EPOXY CASE; Color: BLACK CASE; Material: STEEL CASE. 29 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-936-6041 still in active supply?

NSN 6685-00-936-6041 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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