PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BC14ADD4LWXXGage,differential,dial Indicatin

Ashcroft Inc Dba Heise · NSN 6685-00-880-2826 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-880-2826 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-880-2826. Primary manufacturer part number: BC14ADD4LWXX.
Features
  • Gage,differential,dial Indicatin — FSC 6685
  • Bolt Circle Diameter: 5.375 INCHES NOMINAL IN
  • Connection Type: EXTERNAL
  • Scale Accuracy: 1 PCT ENTIRE RANGE
  • Dial Size: 4-1/2 IN. DIA IN
  • Graduation Unit: 10.0 POUNDS PER SQUARE INCH LBS
  • Scale Type: SPLIT
  • Scale Name: DIFFERENTIAL PRESSURE
Applications
  • Applications requiring Plastic Case construction
General Description

The Gage,differential,dial Indicatin, cataloged under National Stock Number 6685-00-880-2826, 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 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-880-2826
Primary Part NumberBC14ADD4LWXX
Item NameGage,differential,dial Indicatin
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAshcroft Inc Dba Heise
StatusCANCELLED
Bolt Circle Diameter5.375 INCHES NOMINAL IN
Connection TypeEXTERNAL
Scale Accuracy1 PCT ENTIRE RANGE
Dial Size4-1/2 IN. DIA IN
Graduation Unit10.0 POUNDS PER SQUARE INCH LBS
Scale TypeSPLIT
Scale NameDIFFERENTIAL PRESSURE
MaterialPLASTIC CASE
Connection Quantity2
Pointer TypeINDICATING
Scale Smallest Increment1.0 POUNDS PER SQUARE INCH (PSI) LBS
Actuation TypeDOUBLE BOURDON TUBE
Surface TreatmentENAMEL CASE
Pointer ColorBLACK
Scale Range+0.0 TO 50.0 POUNDS PRESSURE PER SQUARE INCH LBS
Mounting MethodSURFACE WALL
MaterialGLASS PROTECTIVE CRYSTAL
AdjustabilityADJUSTABLE
Connector Type VentNOT PROVIDED
Connection LocationLOWER
Connection Size0.250 IN. NPT IN
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
MaterialCOPPER ALLOY ACTUATING ELEMENT
Mounting Hole Diameter0.219 INCHES NOMINAL IN
Mounting Hole Quantity3
Overall Diameter5.813 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-010-38742B0858 INTERCHANGEABLE
Plug,pipe
Caterpillar Inc Div Caterpillar Defense
5815-00-065-485801685 INTERCHANGEABLE
Teletypewriter Subassembly
Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service
5805-00-177-33971685 INTERCHANGEABLE
Low Level Interface
L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications
6150-00-305-24851685 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Champion Aerospace Llc
6685-00-417-6222045555-1685 INTERCHANGEABLE
Gage,differential,dial Indicatin
Ametek, Inc. Div Aerospace & Defense
2910-00-562-00131685 INTERCHANGEABLE
Seal Assy,fuel Valv
O & S Acquisition Llc Dba O & S America Llc
6920-00-671-6586 INTERCHANGEABLE
Housing Assembly,le
5340-00-682-1815SMD33966-7 INTERCHANGEABLE
Bumper
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5950-00-737-01501685 INTERCHANGEABLE
Transformer,audio Frequency
Comspace Corp Munston Electronics Div
6625-01-201-8295 INTERCHANGEABLE
Probe,test
Cross-Reference Index
Part NumberManufacturer
BC14ADD4LWXX PRIMARY Ashcroft Inc Dba Heise (USA)
AJB1636 Ashcroft Inc Dba Heise (USA)
BC14-PDD-LWXX Ashcroft Inc Dba Heise (USA)
BC14-PDD4-LWXX Ashcroft Inc Dba Heise (USA)
45-1125A-02L50-0-50 Ashcroft Inc Dba Heise (USA)
SCD6687-089 Gny Equipment, Inc. (USA)
1685 Ametek, Inc. Div Aerospace & Defense (USA)
BC14-PDD4-LWXX Weksler Glass Thermometer Corp (USA)
Related Parts
4730-00-010-3874INTERCHANGEABLE
PLUG,PIPE
2B0858
5815-00-065-4858INTERCHANGEABLE
TELETYPEWRITER SUBASSEMBLY
01685
5805-00-177-3397INTERCHANGEABLE
LOW LEVEL INTERFACE
1685
6150-00-305-2485INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
1685
6685-00-417-6222INTERCHANGEABLE
GAGE,DIFFERENTIAL,DIAL INDICATIN
045555-1685
2910-00-562-0013INTERCHANGEABLE
SEAL ASSY,FUEL VALV
1685
6920-00-671-6586INTERCHANGEABLE
HOUSING ASSEMBLY,LE
5340-00-682-1815INTERCHANGEABLE
BUMPER
SMD33966-7
5950-00-737-0150INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
1685
6625-01-201-8295INTERCHANGEABLE
PROBE,TEST
5963-01-204-7489INTERCHANGEABLE
ELECTRONIC MODULE,STANDARDIZED
1685
3010-01-523-1442INTERCHANGEABLE
GEAR ASSEMBLY,SPEED DECREASER
RR1010 TM METRIC EL INP 168.2:1

Frequently Asked Questions

What is NSN 6685-00-880-2826?

NSN 6685-00-880-2826 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 6685-00-880-2826?

NSN 6685-00-880-2826 has 8 cross-referenced part numbers: BC14ADD4LWXX (Ashcroft Inc Dba Heise), AJB1636 (Ashcroft Inc Dba Heise), BC14-PDD-LWXX (Ashcroft Inc Dba Heise), BC14-PDD4-LWXX (Ashcroft Inc Dba Heise), 45-1125A-02L50-0-50 (Ashcroft Inc Dba Heise) and 3 more.

What NSN replaces 6685-00-880-2826?

There are 12 known substitutes for 6685-00-880-2826: 4730-00-010-3874, 5815-00-065-4858, 5805-00-177-3397 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BC14ADD4LWXX?

Key specifications for BC14ADD4LWXX: Bolt Circle Diameter: 5.375 INCHES NOMINAL IN; Connection Type: EXTERNAL; Scale Accuracy: 1 PCT ENTIRE RANGE; Dial Size: 4-1/2 IN. DIA IN. 28 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-880-2826 still in active supply?

NSN 6685-00-880-2826 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