PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A44Indicator,sight,liquid

Clark-Reliance Llc Dba Jerguson Gage & Valve · NSN 6680-00-394-7571 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-00-394-7571 — this item is cataloged by the U.S. Government under National Stock Number 6680-00-394-7571. Primary manufacturer part number: A44.
Features
  • Indicator,sight,liquid — FSC 6680
  • Furnished Data: LIQUID LEVEL
  • Media for Which Designed: WATER
  • Data Furnishing Method: CLEAR WINDOW
  • 11 verified cross-references
  • Primary manufacturer: Clark-Reliance Llc Dba Jerguson Gage & Valve
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Indicator,sight,liquid, cataloged under National Stock Number 6680-00-394-7571, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Clark-Reliance Llc Dba Jerguson Gage & Valve. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6680-00-394-7571
Primary Part NumberA44
Item NameIndicator,sight,liquid
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerClark-Reliance Llc Dba Jerguson Gage & Valve
StatusACTIVE
Furnished DataLIQUID LEVEL
Media for Which DesignedWATER
Data Furnishing MethodCLEAR WINDOW
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3030-00-127-4619 INTERCHANGEABLE
Belt,v
5970-00-151-7973 INTERCHANGEABLE
Insulator,standoff
5355-00-781-7236E1392 INTERCHANGEABLE
Dial,doppler
Transicoil Llc Dba Ads Transicoil Div Transicoil
6105-00-806-8614602982 INTERCHANGEABLE
Motor-Tachometer Generator
Honeywell International Inc. Dba Honeywell International
3030-01-061-258778-751 INTERCHANGEABLE
Belt,v
Thermo King Corporation Dba Phoenix Global Distirbution.
5360-01-143-6295 INTERCHANGEABLE
Spring,helical,compression
Cross-Reference Index
Part NumberManufacturer
E139PC40T047 Clark-Reliance Llc Dba Jerguson Gage & Valve (USA)
E140-2 Clark-Reliance Llc Dba Jerguson Gage & Valve (USA)
E204PC40T047 Clark-Reliance Llc Dba Jerguson Gage & Valve (USA)
E152PC40T047 Clark-Reliance Llc Dba Jerguson Gage & Valve (USA)
A44 PRIMARY Clark-Reliance Llc Dba Jerguson Gage & Valve (USA)
E140PC40T047 Clark-Reliance Llc Dba Jerguson Gage & Valve (USA)
E139-2 Clark-Reliance Llc Dba Jerguson Gage & Valve (USA)
E151PC40T047 Clark-Reliance Llc Dba Jerguson Gage & Valve (USA)
E151-2 Clark-Reliance Llc Dba Jerguson Gage & Valve (USA)
E146PC40T047 Clark-Reliance Llc Dba Jerguson Gage & Valve (USA)
E145PC40T047 Clark-Reliance Llc Dba Jerguson Gage & Valve (USA)
Related Parts
3030-00-127-4619INTERCHANGEABLE
BELT,V
5970-00-151-7973INTERCHANGEABLE
INSULATOR,STANDOFF
5355-00-781-7236INTERCHANGEABLE
DIAL,DOPPLER
E1392
6105-00-806-8614INTERCHANGEABLE
MOTOR-TACHOMETER GENERATOR
602982
3030-01-061-2587INTERCHANGEABLE
BELT,V
78-751
5360-01-143-6295INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION

Frequently Asked Questions

What is NSN 6680-00-394-7571?

NSN 6680-00-394-7571 is a Indicator,sight,liquid, manufactured by Clark-Reliance Llc Dba Jerguson Gage & Valve, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-00-394-7571?

NSN 6680-00-394-7571 has 11 cross-referenced part numbers: E139PC40T047 (Clark-Reliance Llc Dba Jerguson Gage & Valve), E140-2 (Clark-Reliance Llc Dba Jerguson Gage & Valve), E204PC40T047 (Clark-Reliance Llc Dba Jerguson Gage & Valve), E152PC40T047 (Clark-Reliance Llc Dba Jerguson Gage & Valve), A44 (Clark-Reliance Llc Dba Jerguson Gage & Valve) and 6 more.

What NSN replaces 6680-00-394-7571?

There are 6 known substitutes for 6680-00-394-7571: 3030-00-127-4619, 5970-00-151-7973, 5355-00-781-7236 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A44?

Key specifications for A44: Furnished Data: LIQUID LEVEL; End Item Identification: 1200 PSI BOILERS; Media for Which Designed: WATER; Data Furnishing Method: CLEAR WINDOW. 4 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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