PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MI-31A-1 5/8 SIndicator,sight,liquid

Henry Technologies, Inc. · NSN 6680-01-468-1946 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-01-468-1946 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-468-1946. Primary manufacturer part number: MI-31A-1 5/8 S.
Features
  • Indicator,sight,liquid — FSC 6680
  • Furnished Data: EXCESS MOISTURE CONTENT
  • Sight Diameter: 2.375 INCHES NOMINAL IN
  • Media for Which Designed: WATER
  • Style Designator: DOUBLE PORT W/CAPS
  • Data Furnishing Method: CLEAR WINDOW
  • End Connection Type: UNABLE TO DECODE
  • Maximum Working Pressure: 500.0 POUNDS PER SQUARE INCH (PSI) LBS
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Indicator,sight,liquid, cataloged under National Stock Number 6680-01-468-1946, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Henry Technologies, Inc.. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6680-01-468-1946
Primary Part NumberMI-31A-1 5/8 S
Item NameIndicator,sight,liquid
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerHenry Technologies, Inc.
StatusACTIVE
Furnished DataEXCESS MOISTURE CONTENT
Sight Diameter2.375 INCHES NOMINAL IN
Media for Which DesignedWATER
Style DesignatorDOUBLE PORT W/CAPS
Data Furnishing MethodCLEAR WINDOW
End Connection TypeUNABLE TO DECODE
Maximum Working Pressure500.0 POUNDS PER SQUARE INCH (PSI) LBS
Maximum Temp Rating200.0 FAHRENHEIT DEGF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5975-00-152-1113 INTERCHANGEABLE
Bushing,electrical Conduit
4210-00-391-5678SP1-30 INTERCHANGEABLE
Proportioner,suction
National Foam Inc Dba National Foam Div National Foam
5840-00-396-3128 INTERCHANGEABLE
Clamp,all Purpose S
6685-01-432-2579 INTERCHANGEABLE
Indicator,humidity,plug
Cross-Reference Index
Part NumberManufacturer
MI-31A-1 5/8 S Henry Technologies, Inc. (USA)
SP 130 Henry Technologies, Inc. (USA)
Related Parts
5975-00-152-1113INTERCHANGEABLE
BUSHING,ELECTRICAL CONDUIT
4210-00-391-5678INTERCHANGEABLE
PROPORTIONER,SUCTION
SP1-30
5840-00-396-3128INTERCHANGEABLE
CLAMP,ALL PURPOSE S
6685-01-432-2579INTERCHANGEABLE
INDICATOR,HUMIDITY,PLUG

Frequently Asked Questions

What is NSN 6680-01-468-1946?

NSN 6680-01-468-1946 is a Indicator,sight,liquid, manufactured by Henry Technologies, Inc., classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-01-468-1946?

NSN 6680-01-468-1946 has 2 cross-referenced part numbers: MI-31A-1 5/8 S (Henry Technologies, Inc.), SP 130 (Henry Technologies, Inc.).

What NSN replaces 6680-01-468-1946?

There are 4 known substitutes for 6680-01-468-1946: 5975-00-152-1113, 4210-00-391-5678, 5840-00-396-3128 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MI-31A-1 5/8 S?

Key specifications for MI-31A-1 5/8 S: End Item Identification: CHILLER UNIT; Furnished Data: EXCESS MOISTURE CONTENT; Sight Diameter: 2.375 INCHES NOMINAL IN; Media for Which Designed: WATER. 11 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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