PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M31LGlass,liquid Sight Indicator,fla

Eaton Aerospace Llc Div Fluid and Electrical Distribution Division · NSN 6680-01-142-1960 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-01-142-1960 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-142-1960. Primary manufacturer part number: M31L.
Features
  • Glass,liquid Sight Indicator,fla — FSC 6680
  • Usage Design: W/LIQUID INDICATOR
  • Design Type: PLAIN
  • 2 verified cross-references
  • Primary manufacturer: Eaton Aerospace Llc Div Fluid and Electrical Distribution Division
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Glass,liquid Sight Indicator,fla, cataloged under National Stock Number 6680-01-142-1960, 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 2 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6680-01-142-1960
Primary Part NumberM31L
Item NameGlass,liquid Sight Indicator,fla
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerEaton Aerospace Llc Div Fluid and Electrical Distribution Division
StatusACTIVE
Usage DesignW/LIQUID INDICATOR
Design TypePLAIN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5920-00-229-13109976156-2 INTERCHANGEABLE
Fuse,cartridge
Us Army Aviation and Missile Command
6625-00-535-97289000507 INTERCHANGEABLE
Meter,arbitrary Scale
Us Army Aviation and Missile Command
6685-00-753-742310105-2 INTERCHANGEABLE
Diaphragm Assembly
Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives
2940-00-755-6584FH-10 INTERCHANGEABLE
Filter Element,fluid
Ford Motor Craft
5940-00-913-6456 INTERCHANGEABLE
Terminal,stud
4820-00-956-0111101038 INTERCHANGEABLE
Stem,adjustment,fluid
Tactair Fluid Controls Inc
5940-00-956-3876101052 INTERCHANGEABLE
Terminal Board
Bae Systems Information and Electronic Systems Integration Inc.
6685-01-090-397910105-2 INTERCHANGEABLE
Transmitter,pressure
Tavis Corp Dba Tavis Corp
6635-01-391-4781 INTERCHANGEABLE
Film,radiographic
Cross-Reference Index
Part NumberManufacturer
M31L PRIMARY Eaton Aerospace Llc Div Fluid and Electrical Distribution Division (USA)
101052 PRIMARY American Turbo Systems Inc (USA)
Related Parts
5920-00-229-1310INTERCHANGEABLE
FUSE,CARTRIDGE
9976156-2
6625-00-535-9728INTERCHANGEABLE
METER,ARBITRARY SCALE
9000507
6685-00-753-7423INTERCHANGEABLE
DIAPHRAGM ASSEMBLY
10105-2
2940-00-755-6584INTERCHANGEABLE
FILTER ELEMENT,FLUID
FH-10
5940-00-913-6456INTERCHANGEABLE
TERMINAL,STUD
4820-00-956-0111INTERCHANGEABLE
STEM,ADJUSTMENT,FLUID
101038
5940-00-956-3876INTERCHANGEABLE
TERMINAL BOARD
101052
6685-01-090-3979INTERCHANGEABLE
TRANSMITTER,PRESSURE
10105-2
6635-01-391-4781INTERCHANGEABLE
FILM,RADIOGRAPHIC

Frequently Asked Questions

What is NSN 6680-01-142-1960?

NSN 6680-01-142-1960 is a Glass,liquid Sight Indicator,fla, 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 6680-01-142-1960?

NSN 6680-01-142-1960 has 2 cross-referenced part numbers: M31L (Eaton Aerospace Llc Div Fluid and Electrical Distribution Division), 101052 (American Turbo Systems Inc).

What NSN replaces 6680-01-142-1960?

There are 9 known substitutes for 6680-01-142-1960: 5920-00-229-1310, 6625-00-535-9728, 6685-00-753-7423 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M31L?

Key specifications for M31L: Usage Design: W/LIQUID INDICATOR; Design Type: PLAIN. 2 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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