PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66740Gage,pressure,dial Indicating

Cummins Inc. · NSN 6620-00-526-8468 · FSC 6620 · No Item Name Available
Verified by PartsTable
NSN 6620-00-526-8468 — this item is cataloged by the U.S. Government under National Stock Number 6620-00-526-8468. Primary manufacturer part number: 66740.
Features
  • Gage,pressure,dial Indicating — FSC 6620
  • Overall Diameter: 2.688 INCHES NOMINAL IN
  • Material: COPPER ALLOY ACTUATING ELEMENT
  • Bolt Circle Diameter: 2.000 INCHES NOMINAL IN
  • Material: GLASS PROTECTIVE CRYSTAL
  • Nondefinitive Spec/std Data: 1 POLISHED
  • FSC Application Data: PRESSURE MEASURING,ENGINE INSTRUMENT,AIRCRAFT
  • Mounting Hole Quantity: 3
Applications
  • Applications requiring Copper Alloy Actuating Element construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6620-00-526-8468, is classified within Federal Supply Class 6620 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Cummins Inc.. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6620-00-526-8468
Primary Part Number66740
Item NameGage,pressure,dial Indicating
FSC / FSG6620 / 66 — No Item Name Available
ManufacturerCummins Inc.
StatusCANCELLED
Overall Diameter2.688 INCHES NOMINAL IN
MaterialCOPPER ALLOY ACTUATING ELEMENT
Bolt Circle Diameter2.000 INCHES NOMINAL IN
MaterialGLASS PROTECTIVE CRYSTAL
Nondefinitive Spec/std Data1 POLISHED
FSC Application DataPRESSURE MEASURING,ENGINE INSTRUMENT,AIRCRAFT
Mounting Hole Quantity3
Connector Type VentNOT PROVIDED
Pointer TypeINDICATING
Dial Size1-11/16 IN. DIA IN
Connection Size1/8 IN. NPT IN
Graduation Unit50.000 POUNDS LBS
Scale Range+0.000 TO 250.000 POUNDS PRESSURE PER SQUARE INCH LBS
Usage DesignFOR USE W/AIR,OIL
Actuation TypeSINGLE BOURDON TUBE
Connection Quantity1
Scale Smallest Increment10.000 POUNDS LBS
AdjustabilityNONADJUSTABLE
Scale TypeSINGLE
Pointer ColorBLACK
Mounting MethodFLUSH PANEL
Scale NamePRESSURE
Connection LocationBACK
Unable to DecodeUNABLE TO DECODE
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Connection TypeEXTERNAL
MaterialBRASS CASE
Mounting Hole Diameter0.171 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5310-00-550-372215165 INTERCHANGEABLE
Washer,lock
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
5961-01-056-5019925427-501B INTERCHANGEABLE
Transistor
Raytheon Company Dba Raytheon
6210-01-238-165766740 INTERCHANGEABLE
Light,indicator
Mine Safety Appliances Company
Cross-Reference Index
Part NumberManufacturer
2575C1-0P5-67 Rochester Sensors, Llc (USA)
VL66740 Cummins Inc. (USA)
S2210-1 Cummins Inc. (USA)
66740 PRIMARY Cummins Inc. (USA)
Related Parts
5310-00-550-3722INTERCHANGEABLE
WASHER,LOCK
15165
5961-01-056-5019INTERCHANGEABLE
TRANSISTOR
925427-501B
6210-01-238-1657INTERCHANGEABLE
LIGHT,INDICATOR
66740

Frequently Asked Questions

What is NSN 6620-00-526-8468?

NSN 6620-00-526-8468 is a Gage,pressure,dial Indicating, manufactured by Cummins Inc., classified under FSC 6620 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6620-00-526-8468?

NSN 6620-00-526-8468 has 4 cross-referenced part numbers: 2575C1-0P5-67 (Rochester Sensors, Llc), VL66740 (Cummins Inc.), S2210-1 (Cummins Inc.), 66740 (Cummins Inc.).

What NSN replaces 6620-00-526-8468?

There are 3 known substitutes for 6620-00-526-8468: 5310-00-550-3722, 5961-01-056-5019, 6210-01-238-1657. Verify interchangeability with system specifications before substitution.

What are the specifications of 66740?

Key specifications for 66740: Overall Diameter: 2.688 INCHES NOMINAL IN; Material: COPPER ALLOY ACTUATING ELEMENT; Bolt Circle Diameter: 2.000 INCHES NOMINAL IN; Material: GLASS PROTECTIVE CRYSTAL. 29 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6620-00-526-8468 still in active supply?

NSN 6620-00-526-8468 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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