PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M36Indicator,sight,liquid

Eaton Aerospace Llc Div Fluid and Electrical Distribution Division · NSN 6680-01-189-9940 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-01-189-9940 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-189-9940. Primary manufacturer part number: M36.
Features
  • Indicator,sight,liquid — FSC 6680
  • Thread Series Designator: UNABLE TO DECODE
  • End Connection Type: UNABLE TO DECODE
  • Style Designator: BULLS EYE
  • Furnished Data: LIQUID LEVEL
  • Thread Quantity Per Inch: UNABLE TO DECODE
  • Width Across Flats: 0.875 INCHES NOMINAL IN
  • Features Provided: REFLECTOR
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Indicator,sight,liquid, cataloged under National Stock Number 6680-01-189-9940, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6680-01-189-9940
Primary Part NumberM36
Item NameIndicator,sight,liquid
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerEaton Aerospace Llc Div Fluid and Electrical Distribution Division
StatusACTIVE
Thread Series DesignatorUNABLE TO DECODE
End Connection TypeUNABLE TO DECODE
Style DesignatorBULLS EYE
Furnished DataLIQUID LEVEL
Thread Quantity Per InchUNABLE TO DECODE
Width Across Flats0.875 INCHES NOMINAL IN
Features ProvidedREFLECTOR
Data Furnishing MethodCLEAR WINDOW
Thread DirectionUNABLE TO DECODE
Nominal Pipe Size for Which DesignedUNABLE TO DECODE
Nominal Thread SizeUNABLE TO DECODE
Media for Which DesignedOIL
Maximum Temp Rating200.0 FAHRENHEIT DEGF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2320-00-391-05697368599 INTERCHANGEABLE
Truck,cargo
U S Army Tank Automotive Command Amsta-Im-Mm
2530-00-463-7860F8449 INTERCHANGEABLE
Parts Kit,hydraulic Brake Master
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
1377-00-555-5989 INTERCHANGEABLE
Cartridge,impulse
5345-00-584-460861463686115 INTERCHANGEABLE
Stone,sharpening
Saint-Gobain Abrasives Inc
5910-00-636-173503019700 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
Thales Components Corp Div Thales Components Corporation
5910-00-636-2120M36-E911GN INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
Viking Technologies, Ltd.
5910-00-644-6395 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
2320-00-647-05058750400 INTERCHANGEABLE
Truck,cargo
U S Army Tank Automotive Command Amsta-Im-Mm
5360-00-788-7503 INTERCHANGEABLE
Spring,helical,compression
4720-01-108-202420874 INTERCHANGEABLE
Hose,preformed
Gates Corporation
Cross-Reference Index
Part NumberManufacturer
H-20087-K-001 ITEM 18 Jered Llc (USA)
M36 PRIMARY Eaton Aerospace Llc Div Fluid and Electrical Distribution Division (USA)
912064-1 Raytheon Company Div Corp (USA)
912064-1 Bachan Aerospace Corp (USA)
Related Parts
2320-00-391-0569INTERCHANGEABLE
TRUCK,CARGO
7368599
2530-00-463-7860INTERCHANGEABLE
PARTS KIT,HYDRAULIC BRAKE MASTER
F8449
1377-00-555-5989INTERCHANGEABLE
CARTRIDGE,IMPULSE
5345-00-584-4608INTERCHANGEABLE
STONE,SHARPENING
61463686115
5910-00-636-1735INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
03019700
5910-00-636-2120INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
M36-E911GN
5910-00-644-6395INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
2320-00-647-0505INTERCHANGEABLE
TRUCK,CARGO
8750400
5360-00-788-7503INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
4720-01-108-2024INTERCHANGEABLE
HOSE,PREFORMED
20874
3610-01-120-8897INTERCHANGEABLE
PRINTING PRESS,LETTERPRESS
88
5340-01-339-3039INTERCHANGEABLE
PLUG,PROTECTIVE,DUST AND MOISTUR
912064-1

Frequently Asked Questions

What is NSN 6680-01-189-9940?

NSN 6680-01-189-9940 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 6680-01-189-9940?

NSN 6680-01-189-9940 has 4 cross-referenced part numbers: H-20087-K-001 ITEM 18 (Jered Llc), M36 (Eaton Aerospace Llc Div Fluid and Electrical Distribution Division), 912064-1 (Raytheon Company Div Corp), 912064-1 (Bachan Aerospace Corp).

What NSN replaces 6680-01-189-9940?

There are 12 known substitutes for 6680-01-189-9940: 2320-00-391-0569, 2530-00-463-7860, 1377-00-555-5989 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M36?

Key specifications for M36: Thread Series Designator: UNABLE TO DECODE; End Connection Type: UNABLE TO DECODE; Style Designator: BULLS EYE; Furnished Data: LIQUID LEVEL. 13 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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