PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M-145Indicator,sight,liquid

Eaton Aerospace Llc Div Fluid and Electrical Distribution Division · NSN 6680-01-055-9626 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-01-055-9626 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-055-9626. Primary manufacturer part number: M-145.
Features
  • Indicator,sight,liquid — FSC 6680
  • Furnished Data: LIQUID LEVEL
  • End Connection Type: UNABLE TO DECODE
  • Nominal Pipe Size for Which Designed: UNABLE TO DECODE
  • Sight Diameter: 0.937 INCHES NOMINAL IN
  • Thread Series Designator: UNABLE TO DECODE
  • Surface Treatment: NICKEL
  • Width Across Flats: 1.370 INCHES NOMINAL IN
Applications
  • Applications requiring Steel construction
General Description

The Indicator,sight,liquid, cataloged under National Stock Number 6680-01-055-9626, 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 4 commercial cross-references from 3 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
NSN6680-01-055-9626
Primary Part NumberM-145
Item NameIndicator,sight,liquid
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerEaton Aerospace Llc Div Fluid and Electrical Distribution Division
StatusACTIVE
Furnished DataLIQUID LEVEL
End Connection TypeUNABLE TO DECODE
Nominal Pipe Size for Which DesignedUNABLE TO DECODE
Sight Diameter0.937 INCHES NOMINAL IN
Thread Series DesignatorUNABLE TO DECODE
Surface TreatmentNICKEL
Width Across Flats1.370 INCHES NOMINAL IN
Maximum Temp Rating500.0 FAHRENHEIT DEGF
Thread Quantity Per InchUNABLE TO DECODE
Maximum Working Pressure10000.0 POUNDS PER SQUARE INCH (PSI) LBS
Nominal Thread SizeUNABLE TO DECODE
Media for Which DesignedOIL
MaterialSTEEL
Thread DirectionUNABLE TO DECODE
Style DesignatorBULLS EYE
Data Furnishing MethodCLEAR WINDOW
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2330-00-215-42138358815 INTERCHANGEABLE
Semitrailer,van
U S Army Tank Automotive Command Amsta-Im-Mm
5935-00-222-0211M145 INTERCHANGEABLE
Cover,electrical Connector
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
2530-00-707-6672F-106355 INTERCHANGEABLE
Parts Kit,hydraulic Brake Master
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
5935-01-122-1532GC800MH-B2821S INTERCHANGEABLE
Connector,plug,electrical
Northrop Grumman Systems Corporation
5935-01-122-2477GC800MH-B12S3P INTERCHANGEABLE
Connector,plug,electrical
Northrop Grumman Systems Corporation
5999-01-306-8599 INTERCHANGEABLE
Clip,electrical
5895-01-504-0283M-164 INTERCHANGEABLE
Power Supply,aircra
Eon Instrumentation, Inc.
1240-01-533-0939M145 INTERCHANGEABLE
Sight,bore,optical
Raytheon Co Dba Raytheon Systems Co M/s 3409
5996-01-596-5544M145 INTERCHANGEABLE
Amplifier,radio Frequency
Quasar Power & Technologies Inc. Dba Milpower Source
1240-01-608-4337M145 INTERCHANGEABLE
Telescope,straight
Raytheon Company Dba Raytheon
Cross-Reference Index
Part NumberManufacturer
M-145 PRIMARY Eaton Aerospace Llc Div Fluid and Electrical Distribution Division (USA)
M-164 Eaton Aerospace Llc Div Fluid and Electrical Distribution Division (USA)
13219E2472 Cecom Lr Center (USA)
G17257 Vbm Corp (USA)
Related Parts
2330-00-215-4213INTERCHANGEABLE
SEMITRAILER,VAN
8358815
5935-00-222-0211INTERCHANGEABLE
COVER,ELECTRICAL CONNECTOR
M145
2530-00-707-6672INTERCHANGEABLE
PARTS KIT,HYDRAULIC BRAKE MASTER
F-106355
5935-01-122-1532INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
GC800MH-B2821S
5935-01-122-2477INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
GC800MH-B12S3P
5999-01-306-8599INTERCHANGEABLE
CLIP,ELECTRICAL
5895-01-504-0283INTERCHANGEABLE
POWER SUPPLY,AIRCRA
M-164
1240-01-533-0939INTERCHANGEABLE
SIGHT,BORE,OPTICAL
M145
5996-01-596-5544INTERCHANGEABLE
AMPLIFIER,RADIO FREQUENCY
M145
1240-01-608-4337INTERCHANGEABLE
TELESCOPE,STRAIGHT
M145
6685-01-630-8639INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
M-145
6810-01-655-1333INTERCHANGEABLE
PHENYL METHYL SULFO
M145

Frequently Asked Questions

What is NSN 6680-01-055-9626?

NSN 6680-01-055-9626 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 6680-01-055-9626?

NSN 6680-01-055-9626 has 4 cross-referenced part numbers: M-145 (Eaton Aerospace Llc Div Fluid and Electrical Distribution Division), M-164 (Eaton Aerospace Llc Div Fluid and Electrical Distribution Division), 13219E2472 (Cecom Lr Center), G17257 (Vbm Corp).

What NSN replaces 6680-01-055-9626?

There are 12 known substitutes for 6680-01-055-9626: 2330-00-215-4213, 5935-00-222-0211, 2530-00-707-6672 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M-145?

Key specifications for M-145: Furnished Data: LIQUID LEVEL; End Connection Type: UNABLE TO DECODE; Nominal Pipe Size for Which Designed: UNABLE TO DECODE; Sight Diameter: 0.937 INCHES NOMINAL IN. 17 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com