PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2 1-2 5DFM1-4CBM2000Gage,pressure,dial Indicating

Canadian Insulation Services Co Ltd · NSN 6685-00-837-6194 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-837-6194 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-837-6194. Primary manufacturer part number: 2 1-2 5DFM1-4CBM2000.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Material: NICKEL ALLOY ACTUATING ELEMENT
  • Material: GLASS PROTECTIVE CRYSTAL
  • Material: STEEL CASE
  • Surface Treatment: ENAMEL CASE
  • FSC Application Data: GAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE
  • Material Document and Classification: NI-SPAN C MFR REF SINGLE MATERIAL RESPONSE ACTUATING ELEMENT
  • Connector Type Vent: NOT PROVIDED
Applications
  • Applications requiring Nickel Alloy Actuating Element construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-837-6194, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Canadian Insulation Services Co Ltd. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-837-6194
Primary Part Number2 1-2 5DFM1-4CBM2000
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerCanadian Insulation Services Co Ltd
StatusACTIVE
MaterialNICKEL ALLOY ACTUATING ELEMENT
MaterialGLASS PROTECTIVE CRYSTAL
MaterialSTEEL CASE
Surface TreatmentENAMEL CASE
FSC Application DataGAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE
Material Document and ClassificationNI-SPAN C MFR REF SINGLE MATERIAL RESPONSE ACTUATING ELEMENT
Connector Type VentNOT PROVIDED
Stud Quantity2
Connection Size0.250 IN. NPT IN
Mounting MethodFLUSH PANEL
Stud LocationBACK
Scale Smallest Increment25.000 POUNDS PER SQUARE INCH (PSI) LBS
Connection Quantity1
Scale TypeSINGLE
Scale NamePRESSURE
Pointer ColorBLACK AND RED
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Dial Size2-1/2 INCH DIA IN
Overall Diameter2.781 INCHES NOMINAL IN
Actuation TypeSINGLE BOURDON TUBE
Graduation Unit200.000 POUNDS PER SQUARE INCH LBS
Scale Accuracy2 PERCENT ENTIRE RANGE
Scale Range+0.000 TO 2000.000 POUNDS PRESSURE PER SQUARE INCH LBS
Pointer TypeINDICATING AND REFERENCE
Bezel TypeSNAP-ON
Connection LocationBACK
AdjustabilityADJUSTABLE
Connection TypeEXTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5360-00-314-719428129 INTERCHANGEABLE
Spring,helical,compression
Leslie Controls, Inc. Dba Leslie Controls Inc
5950-00-625-693678989 INTERCHANGEABLE
Transformer,power
National Security Agency
3020-00-797-227328129 INTERCHANGEABLE
Pulley,groove
Stewart & Stevenson Power Products Llc
6680-01-170-0732 INTERCHANGEABLE
Gage Rod-Cap,liquid Level
5998-01-313-184828129 INTERCHANGEABLE
Circuit Card Assembly
L3 Technologies, Inc. Div Communication Systems-West
2520-01-555-55283606771 INTERCHANGEABLE
Power Takeoff,transmission
Oshkosh Defense Llc
Cross-Reference Index
Part NumberManufacturer
2 1-2 5DFM1-4CBM2000 Canadian Insulation Services Co Ltd (CAN)
28129 Davey Compressor Co Div of Keco Industries Inc (USA)
28129 Drs Environmental Systems Inc (USA)
Related Parts
5360-00-314-7194INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
28129
5950-00-625-6936INTERCHANGEABLE
TRANSFORMER,POWER
78989
3020-00-797-2273INTERCHANGEABLE
PULLEY,GROOVE
28129
6680-01-170-0732INTERCHANGEABLE
GAGE ROD-CAP,LIQUID LEVEL
5998-01-313-1848INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
28129
2520-01-555-5528INTERCHANGEABLE
POWER TAKEOFF,TRANSMISSION
3606771

Frequently Asked Questions

What is NSN 6685-00-837-6194?

NSN 6685-00-837-6194 is a Gage,pressure,dial Indicating, manufactured by Canadian Insulation Services Co Ltd, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-837-6194?

NSN 6685-00-837-6194 has 3 cross-referenced part numbers: 2 1-2 5DFM1-4CBM2000 (Canadian Insulation Services Co Ltd), 28129 (Davey Compressor Co Div of Keco Industries Inc), 28129 (Drs Environmental Systems Inc).

What NSN replaces 6685-00-837-6194?

There are 6 known substitutes for 6685-00-837-6194: 5360-00-314-7194, 5950-00-625-6936, 3020-00-797-2273 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2 1-2 5DFM1-4CBM2000?

Key specifications for 2 1-2 5DFM1-4CBM2000: Overall Depth: 1.312 INCHES NOMINAL IN; Material: NICKEL ALLOY ACTUATING ELEMENT; Material: GLASS PROTECTIVE CRYSTAL; Material: STEEL CASE. 30 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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