PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G656-2Indicator,sight,liquid

Ldi Industries, Inc. Dba Ldi Industries Inc · NSN 6680-00-526-9019 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-00-526-9019 — this item is cataloged by the U.S. Government under National Stock Number 6680-00-526-9019. Primary manufacturer part number: G656-2.
Features
  • Indicator,sight,liquid — FSC 6680
  • End Connection Type: UNABLE TO DECODE
  • Features Provided: COUPLING NUT
  • Material: COPPER ALLOY
  • Furnished Data: LIQUID LEVEL
  • Media for Which Designed: OIL
  • Style Designator: ANGLE PATTERN, SHIELDED FRONT OPENING
  • Data Furnishing Method: CLEAR WINDOW
Applications
  • Applications requiring Copper Alloy construction
General Description

The Indicator,sight,liquid, cataloged under National Stock Number 6680-00-526-9019, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Ldi Industries, Inc. Dba Ldi Industries Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6680-00-526-9019
Primary Part NumberG656-2
Item NameIndicator,sight,liquid
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerLdi Industries, Inc. Dba Ldi Industries Inc
StatusCANCELLED
End Connection TypeUNABLE TO DECODE
Features ProvidedCOUPLING NUT
MaterialCOPPER ALLOY
Furnished DataLIQUID LEVEL
Media for Which DesignedOIL
Style DesignatorANGLE PATTERN, SHIELDED FRONT OPENING
Data Furnishing MethodCLEAR WINDOW
Thread Series DesignatorUNABLE TO DECODE
Nominal Thread SizeUNABLE TO DECODE
Thread Quantity Per InchUNABLE TO DECODE
Sight Height2.312 INCHES NOMINAL IN
Overall Diameter0.625 INCHES NOMINAL IN
Nominal Pipe Size for Which DesignedUNABLE TO DECODE
Thread DirectionUNABLE TO DECODE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5133-00-262-2175 INTERCHANGEABLE
Drill,twist
6680-00-526-9023G656-3 INTERCHANGEABLE
Indicator,sight,liquid
Ldi Industries, Inc. Dba Ldi Industries Inc
3040-01-337-377818063 INTERCHANGEABLE
Housing,mechanical Drive
Lake Shore Systems, Inc.
6117-01-591-447418063 INTERCHANGEABLE
Solar Cell Panel
Solar Portables Business Inc. Dba Solar Portables Business Inc Div P3solar
Cross-Reference Index
Part NumberManufacturer
G656-2 PRIMARY Ldi Industries, Inc. Dba Ldi Industries Inc (USA)
G656 Ldi Industries, Inc. Dba Ldi Industries Inc (USA)
18063 Apache Corp Gits Bros Mfg Co (USA)
Related Parts
5133-00-262-2175INTERCHANGEABLE
DRILL,TWIST
6680-00-526-9023INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
G656-3
3040-01-337-3778INTERCHANGEABLE
HOUSING,MECHANICAL DRIVE
18063
6117-01-591-4474INTERCHANGEABLE
SOLAR CELL PANEL
18063

Frequently Asked Questions

What is NSN 6680-00-526-9019?

NSN 6680-00-526-9019 is a Indicator,sight,liquid, manufactured by Ldi Industries, Inc. Dba Ldi Industries Inc, classified under FSC 6680 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6680-00-526-9019?

NSN 6680-00-526-9019 has 3 cross-referenced part numbers: G656-2 (Ldi Industries, Inc. Dba Ldi Industries Inc), G656 (Ldi Industries, Inc. Dba Ldi Industries Inc), 18063 (Apache Corp Gits Bros Mfg Co).

What NSN replaces 6680-00-526-9019?

There are 4 known substitutes for 6680-00-526-9019: 5133-00-262-2175, 6680-00-526-9023, 3040-01-337-3778 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of G656-2?

Key specifications for G656-2: Overall Length: 2.375 INCHES NOMINAL IN; End Connection Type: UNABLE TO DECODE; Features Provided: COUPLING NUT; Material: COPPER ALLOY. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6680-00-526-9019 still in active supply?

NSN 6680-00-526-9019 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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