PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12-190454-00Gage,differential,dial Indicatin

Dwyer Instruments Inc · NSN 6685-00-802-6371 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-802-6371 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-802-6371. Primary manufacturer part number: 12-190454-00.
Features
  • Gage,differential,dial Indicatin — FSC 6685
  • Mounting Hole Diameter: 0.138 INCHES NOMINAL IN
  • Material: PLASTIC PROTECTIVE CRYSTAL
  • Material: ALUMINUM CASE
  • Unable to Decode: UNABLE TO DECODE
  • Connector Type Vent: NOT PROVIDED
  • Pointer Color: BLACK
  • Scale Name: PRESSURE
Applications
  • Applications requiring Plastic Protective Crystal construction
General Description

The Gage,differential,dial Indicatin, cataloged under National Stock Number 6685-00-802-6371, 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 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-802-6371
Primary Part Number12-190454-00
Item NameGage,differential,dial Indicatin
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerDwyer Instruments Inc
StatusCANCELLED
Mounting Hole Diameter0.138 INCHES NOMINAL IN
MaterialPLASTIC PROTECTIVE CRYSTAL
MaterialALUMINUM CASE
Unable to DecodeUNABLE TO DECODE
Connector Type VentNOT PROVIDED
Pointer ColorBLACK
Scale NamePRESSURE
Mounting MethodFLUSH PANEL
MaterialALUMINUM LOCATION NOT OTHERWISE SPECIFIED
Connection LocationBACK AND SIDE
Scale Range+0.000 TO 120.000 POUNDS OF AIR PER MINUTE LBS
Actuation TypeDIAPHRAGM
Pointer TypeINDICATING
Connection Size0.125 IN. SPT IN
Scale Smallest Increment2.0 POUNDS LBS
Graduation Unit20.0 POUNDS LBS
Surface TreatmentENAMEL CASE
Scale Accuracy2 PCT ENTIRE RANGE
Dial Size4 IN. DIA IN
Bezel TypeTHREAD
MaterialRUBBER SYNTHETIC ACTUATING ELEMENT
Scale TypeSINGLE
Connection TypeINTERNAL
Connection Quantity4
Scale Inscription/background ColorBLACK FIGURE ON WHITE
Accessory Components and Quantity1/8 IN.SPT PLUGS 2,1/8 IN.PIPETHREAD TO RUBBER TUBING ADAPTERS 2,BACK MTG STUD W/2 WASHERS AND JAM NUT 1,FLUSH MTG ADAPTERS W/SCREWS IN
Overall Diameter4.750 INCHES NOMINAL IN
Bolt Circle Diameter4.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
6685-00-488-36352004 INTERCHANGEABLE
Gage,differential,dial Indicatin
Dwyer Instruments Inc
5360-01-098-666013048083 INTERCHANGEABLE
Spring,helical,compression
Brunson Instrument Company Dba Brunson Instrument Company
Cross-Reference Index
Part NumberManufacturer
1040F6 Dwyer Instruments Inc (USA)
B21077-3 Keco Industries, Inc. (USA)
A53435 Keco Industries, Inc. (USA)
B21077-3M Keco Industries, Inc. (USA)
12-190454-00 PRIMARY Dwyer Instruments Inc (USA)
2000 Dwyer Instruments Inc (USA)
Related Parts
6685-00-488-3635INTERCHANGEABLE
GAGE,DIFFERENTIAL,DIAL INDICATIN
2004
5360-01-098-6660INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
13048083

Frequently Asked Questions

What is NSN 6685-00-802-6371?

NSN 6685-00-802-6371 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 6685-00-802-6371?

NSN 6685-00-802-6371 has 6 cross-referenced part numbers: 1040F6 (Dwyer Instruments Inc), B21077-3 (Keco Industries, Inc.), A53435 (Keco Industries, Inc.), B21077-3M (Keco Industries, Inc.), 12-190454-00 (Dwyer Instruments Inc) and 1 more.

What NSN replaces 6685-00-802-6371?

There are 2 known substitutes for 6685-00-802-6371: 6685-00-488-3635, 5360-01-098-6660. Verify interchangeability with system specifications before substitution.

What are the specifications of 12-190454-00?

Key specifications for 12-190454-00: Mounting Hole Diameter: 0.138 INCHES NOMINAL IN; Material: PLASTIC PROTECTIVE CRYSTAL; Material: ALUMINUM CASE; Unable to Decode: UNABLE TO DECODE. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-802-6371 still in active supply?

NSN 6685-00-802-6371 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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