PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2003Gage,differential,dial Indicatin

Dwyer Instruments Inc · NSN 6685-00-942-1794 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-942-1794 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-942-1794. Primary manufacturer part number: 2003.
Features
  • Gage,differential,dial Indicatin — FSC 6685
  • Adjustability: ADJUSTABLE
  • Scale Accuracy: PLUS OR MINUS 2 PCT ENTIRE RANGE
  • Actuation Type: DIAPHRAGM
  • Scale Smallest Increment: 0.1 INCHES IN
  • Bezel Type: THREAD
  • Graduation Unit: 1.0 INCHES IN
  • Scale Type: SINGLE
Applications
  • Applications requiring Aluminum Case construction
General Description

The Gage,differential,dial Indicatin, cataloged under National Stock Number 6685-00-942-1794, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Dwyer Instruments Inc. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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
NSN6685-00-942-1794
Primary Part Number2003
Item NameGage,differential,dial Indicatin
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerDwyer Instruments Inc
StatusCANCELLED
AdjustabilityADJUSTABLE
Scale AccuracyPLUS OR MINUS 2 PCT ENTIRE RANGE
Actuation TypeDIAPHRAGM
Scale Smallest Increment0.1 INCHES IN
Bezel TypeTHREAD
Graduation Unit1.0 INCHES IN
Scale TypeSINGLE
Connection LocationBACK AND SIDE
Connection Quantity4
Scale NameDIFFERENTIAL PRESSURE
Connection TypeINTERNAL
Pointer TypeINDICATING
Connector Type VentNOT PROVIDED
MaterialALUMINUM CASE
Connection Size0.125 IN NPT DIA IN
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Scale Range+0.0 TO 3.0 INCHES OF WATER IN
Mounting MethodFLUSH OR SURFACE
Pointer ColorALUMINUM
Dial Size4 IN. DIA IN
MaterialALUMINUM LOCATION NOT OTHERWISE SPECIFIED
MaterialPLASTIC PROTECTIVE CRYSTAL
MaterialRUBBER SILICONE CLASS Q ACTUATING ELEMENT
Mounting Hole Diameter0.250 INCHES NOMINAL IN
Mounting Hole Quantity3
Bolt Circle Diameter4.125 INCHES NOMINAL IN
Overall Diameter4.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5307-00-051-7157 INTERCHANGEABLE
Stud,plain
9540-00-287-9421 INTERCHANGEABLE
Channel,structural
5360-00-358-78181878421 INTERCHANGEABLE
Spring,helical,torsion
General Motors Llc Dba General Motors Llc
5995-00-715-6190CX-4435/AIC INTERCHANGEABLE
Cable Assembly,special Purpose,e
Joint Electronics Type Designation System
5136-00-729-569854289 INTERCHANGEABLE
Tap,thread Cutting
Tapco Cutting Tools Inc
5977-00-900-067910145 INTERCHANGEABLE
Brush,electrical Contact
Astronautics Corporation of America
5905-01-044-7441 INTERCHANGEABLE
Resistor Network,fixed,wire Woun
5962-01-069-0416MCM10145L INTERCHANGEABLE
Microcircuit,memory
Freescale Semiconductor, Inc.
5998-01-071-915910145 INTERCHANGEABLE
Circuit Card Assembly
Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit
6150-01-105-918736885-5LP INTERCHANGEABLE
Cable Assembly,power,electrical
Setra Systems, Inc. Dba Gems Sensors
Cross-Reference Index
Part NumberManufacturer
10145 Tld Ace Corp Div Tld Ace (USA)
2003 PRIMARY Dwyer Instruments Inc (USA)
64A130A86 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
64A130A86 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
Related Parts
5307-00-051-7157INTERCHANGEABLE
STUD,PLAIN
9540-00-287-9421INTERCHANGEABLE
CHANNEL,STRUCTURAL
5360-00-358-7818INTERCHANGEABLE
SPRING,HELICAL,TORSION
1878421
5995-00-715-6190INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
CX-4435/AIC
5136-00-729-5698INTERCHANGEABLE
TAP,THREAD CUTTING
54289
5977-00-900-0679INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
10145
5905-01-044-7441INTERCHANGEABLE
RESISTOR NETWORK,FIXED,WIRE WOUN
5962-01-069-0416INTERCHANGEABLE
MICROCIRCUIT,MEMORY
MCM10145L
5998-01-071-9159INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
10145
6150-01-105-9187INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
36885-5LP
3120-01-136-7467INTERCHANGEABLE
BUSHING,SLEEVE
5305-01-146-1669INTERCHANGEABLE
THUMBSCREW

Frequently Asked Questions

What is NSN 6685-00-942-1794?

NSN 6685-00-942-1794 is a Gage,differential,dial Indicatin, manufactured by Dwyer Instruments Inc, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-942-1794?

NSN 6685-00-942-1794 has 4 cross-referenced part numbers: 10145 (Tld Ace Corp Div Tld Ace), 2003 (Dwyer Instruments Inc), 64A130A86 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 64A130A86 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).

What NSN replaces 6685-00-942-1794?

There are 12 known substitutes for 6685-00-942-1794: 5307-00-051-7157, 9540-00-287-9421, 5360-00-358-7818 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2003?

Key specifications for 2003: Special Features: BAKED DARK GRAY HAMMERIOID; RED TIP POINTER; Adjustability: ADJUSTABLE; Scale Accuracy: PLUS OR MINUS 2 PCT ENTIRE RANGE; Actuation Type: DIAPHRAGM. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-942-1794 still in active supply?

NSN 6685-00-942-1794 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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