PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S136Indicator,sight,liquid

Eaton Aerospace Llc Div Fluid and Electrical Distribution Division · NSN 6680-00-408-9652 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-00-408-9652 — this item is cataloged by the U.S. Government under National Stock Number 6680-00-408-9652. Primary manufacturer part number: S136.
Features
  • Indicator,sight,liquid — FSC 6680
  • End Connection Type: UNABLE TO DECODE
  • Nominal Thread Size: UNABLE TO DECODE
  • Furnished Data: LIQUID LEVEL
  • Thread Series Designator: UNABLE TO DECODE
  • Material: ALUMINUM ALLOY
  • Style Designator: BULLS EYE, HI-TEMP/HIGH PRESSURE
  • Media for Which Designed: OIL
Applications
  • Applications requiring Aluminum Alloy construction
General Description

The Indicator,sight,liquid, cataloged under National Stock Number 6680-00-408-9652, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Eaton Aerospace Llc Div Fluid and Electrical Distribution Division. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6680-00-408-9652
Primary Part NumberS136
Item NameIndicator,sight,liquid
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerEaton Aerospace Llc Div Fluid and Electrical Distribution Division
StatusACTIVE
End Connection TypeUNABLE TO DECODE
Nominal Thread SizeUNABLE TO DECODE
Furnished DataLIQUID LEVEL
Thread Series DesignatorUNABLE TO DECODE
MaterialALUMINUM ALLOY
Style DesignatorBULLS EYE, HI-TEMP/HIGH PRESSURE
Media for Which DesignedOIL
Maximum Temp Rating400.0 FAHRENHEIT DEGF
Thread ClassUNABLE TO DECODE
Maximum Working Pressure50.0 POUNDS PER SQUARE INCH (PSI) LBS
Width Across Flats2.500 INCHES NOMINAL IN
Thread DirectionUNABLE TO DECODE
Nominal Pipe Size for Which DesignedUNABLE TO DECODE
Data Furnishing MethodCLEAR WINDOW
Surface TreatmentANODIZE
Sight Diameter1.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3455-00-517-594615424 INTERCHANGEABLE
Cutter,milling,end
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5930-00-751-92972105934 INTERCHANGEABLE
Switch,sensitive
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5305-00-974-1565S136 INTERCHANGEABLE
Screw,cap,hexagon Head
Cummins Inc.
6760-01-135-3904 INTERCHANGEABLE
Preserver,negative,photographic
5210-01-145-593267153-002 INTERCHANGEABLE
Level,cylindrical,circular Vial
Parts for Lifts, Llc
4730-01-223-3512S-136 INTERCHANGEABLE
Strainer,sediment
Oasis Construction Div Supply Nurses
4240-01-383-6978S136 INTERCHANGEABLE
Spectacles,industrial
Honeywell Safety Products Usa, Inc.
4330-01-444-9176S-136 INTERCHANGEABLE
Filter Element,fluid
Bijur Lubricating Corp
Cross-Reference Index
Part NumberManufacturer
S136 PRIMARY Eaton Aerospace Llc Div Fluid and Electrical Distribution Division (USA)
S136 The Boeing Company (USA)
Related Parts
3455-00-517-5946INTERCHANGEABLE
CUTTER,MILLING,END
15424
5930-00-751-9297INTERCHANGEABLE
SWITCH,SENSITIVE
2105934
5305-00-974-1565INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
S136
6760-01-135-3904INTERCHANGEABLE
PRESERVER,NEGATIVE,PHOTOGRAPHIC
5210-01-145-5932INTERCHANGEABLE
LEVEL,CYLINDRICAL,CIRCULAR VIAL
67153-002
4730-01-223-3512INTERCHANGEABLE
STRAINER,SEDIMENT
S-136
4240-01-383-6978INTERCHANGEABLE
SPECTACLES,INDUSTRIAL
S136
4330-01-444-9176INTERCHANGEABLE
FILTER ELEMENT,FLUID
S-136

Frequently Asked Questions

What is NSN 6680-00-408-9652?

NSN 6680-00-408-9652 is a Indicator,sight,liquid, manufactured by Eaton Aerospace Llc Div Fluid and Electrical Distribution Division, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-00-408-9652?

NSN 6680-00-408-9652 has 2 cross-referenced part numbers: S136 (Eaton Aerospace Llc Div Fluid and Electrical Distribution Division), S136 (The Boeing Company).

What NSN replaces 6680-00-408-9652?

There are 8 known substitutes for 6680-00-408-9652: 3455-00-517-5946, 5930-00-751-9297, 5305-00-974-1565 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S136?

Key specifications for S136: End Connection Type: UNABLE TO DECODE; Nominal Thread Size: UNABLE TO DECODE; Furnished Data: LIQUID LEVEL; Thread Series Designator: UNABLE TO DECODE. 17 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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