PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

45-1125A02B100-0-100Gage,differential,dial Indicatin

Ashcroft Inc Dba Heise · NSN 6685-00-052-4924 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-052-4924 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-052-4924. Primary manufacturer part number: 45-1125A02B100-0-100.
Features
  • Gage,differential,dial Indicatin — FSC 6685
  • Adjustability: ADJUSTABLE
  • Dial Size: 4-1/2 IN. DIA IN
  • Scale Smallest Increment: 2.0 POUNDS PER SQUARE INCH (PSI) LBS
  • Actuation Type: DOUBLE BOURDON TUBE
  • Graduation Unit: 20.0 POUNDS PER SQUARE INCH LBS
  • Connection Quantity: 2
  • Scale Range: -100.0 TO 100.0 POUNDS PRESSURE PER SQUARE INCH LBS
Applications
  • Applications requiring Aluminum Location Not Otherwise Specified construction
General Description

The Gage,differential,dial Indicatin, cataloged under National Stock Number 6685-00-052-4924, 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 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-052-4924
Primary Part Number45-1125A02B100-0-100
Item NameGage,differential,dial Indicatin
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAshcroft Inc Dba Heise
StatusCANCELLED
AdjustabilityADJUSTABLE
Dial Size4-1/2 IN. DIA IN
Scale Smallest Increment2.0 POUNDS PER SQUARE INCH (PSI) LBS
Actuation TypeDOUBLE BOURDON TUBE
Graduation Unit20.0 POUNDS PER SQUARE INCH LBS
Connection Quantity2
Scale Range-100.0 TO 100.0 POUNDS PRESSURE PER SQUARE INCH LBS
Unable to DecodeUNABLE TO DECODE
Scale NameDIFFERENTIAL PRESSURE
Scale TypeSINGLE
Pointer ColorBLACK
Pointer TypeINDICATING
MaterialALUMINUM LOCATION NOT OTHERWISE SPECIFIED
MaterialGLASS PROTECTIVE CRYSTAL
MaterialCOPPER ALLOY ACTUATING ELEMENT
Connector Type VentNOT PROVIDED
Connection Size0.250 IN. NPT IN
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Scale Accuracy1 PCT ENTIRE RANGE
Mounting MethodSURFACE WALL
MaterialALUMINUM CASE
Bezel TypeTHREAD
Connection LocationBACK
Mounting Hole Quantity3
Bolt Circle Diameter5.375 INCHES NOMINAL IN
Mounting Hole Diameter0.219 INCHES NOMINAL IN
Overall Diameter5.575 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
6685-00-282-8918BC24-PDD4-RWX9,OPT:SH,PD,RB INTERCHANGEABLE
Gage,differential,dial Indicatin
Ashcroft Inc Dba Heise
4510-00-463-37501125-A INTERCHANGEABLE
Faucet,double
The Central Brass Manufacturing Company
5975-00-903-8858TWAD125 INTERCHANGEABLE
Adapter,electrical Conduit
Egs Electrical Group Appleton Div
6685-00-951-8385 INTERCHANGEABLE
Gage,pressure,dial Indicating
Cross-Reference Index
Part NumberManufacturer
1125A Ashcroft Inc Dba Heise (USA)
45-1125A02B100-0-100 PRIMARY Ashcroft Inc Dba Heise (USA)
Related Parts
6685-00-282-8918INTERCHANGEABLE
GAGE,DIFFERENTIAL,DIAL INDICATIN
BC24-PDD4-RWX9,OPT:SH,PD,RB
4510-00-463-3750INTERCHANGEABLE
FAUCET,DOUBLE
1125-A
5975-00-903-8858INTERCHANGEABLE
ADAPTER,ELECTRICAL CONDUIT
TWAD125
6685-00-951-8385INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING

Frequently Asked Questions

What is NSN 6685-00-052-4924?

NSN 6685-00-052-4924 is a Gage,differential,dial Indicatin, manufactured by Ashcroft Inc Dba Heise, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-052-4924?

NSN 6685-00-052-4924 has 2 cross-referenced part numbers: 1125A (Ashcroft Inc Dba Heise), 45-1125A02B100-0-100 (Ashcroft Inc Dba Heise).

What NSN replaces 6685-00-052-4924?

There are 4 known substitutes for 6685-00-052-4924: 6685-00-282-8918, 4510-00-463-3750, 5975-00-903-8858 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 45-1125A02B100-0-100?

Key specifications for 45-1125A02B100-0-100: Adjustability: ADJUSTABLE; Dial Size: 4-1/2 IN. DIA IN; Scale Smallest Increment: 2.0 POUNDS PER SQUARE INCH (PSI) LBS; Actuation Type: DOUBLE BOURDON TUBE. 29 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-052-4924 still in active supply?

NSN 6685-00-052-4924 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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