PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-17042Indicator,sight,liquid

Mueller Brass Co. · NSN 6680-01-095-2100 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-01-095-2100 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-095-2100. Primary manufacturer part number: A-17042.
Features
  • Indicator,sight,liquid — FSC 6680
  • Tube Outside Diameter for Which Designed: UNABLE TO DECODE
  • Furnished Data: ACTIVE INGREDIENT PRESENCE
  • Media for Which Designed: REFRIGERANT, FLUOROCARBON
  • Maximum Working Pressure: 500.0 POUNDS PER SQUARE INCH (PSI) LBS
  • Data Furnishing Method: CLEAR WINDOW
  • Style Designator: DOUBLE PORT
  • Sight Diameter: 1.080 INCHES MINIMUM AND 1.096 INCHES MAXIMUM IN
Applications
  • Applications requiring Copper Alloy construction
General Description

The Indicator,sight,liquid, cataloged under National Stock Number 6680-01-095-2100, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Mueller Brass Co.. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6680-01-095-2100
Primary Part NumberA-17042
Item NameIndicator,sight,liquid
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerMueller Brass Co.
StatusACTIVE
Tube Outside Diameter for Which DesignedUNABLE TO DECODE
Furnished DataACTIVE INGREDIENT PRESENCE
Media for Which DesignedREFRIGERANT, FLUOROCARBON
Maximum Working Pressure500.0 POUNDS PER SQUARE INCH (PSI) LBS
Data Furnishing MethodCLEAR WINDOW
Style DesignatorDOUBLE PORT
Sight Diameter1.080 INCHES MINIMUM AND 1.096 INCHES MAXIMUM IN
End Connection TypeUNABLE TO DECODE
Features ProvidedPORT SEAL CAP
MaterialCOPPER ALLOY
Maximum Temp Rating250.0 FAHRENHEIT DEGF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3120-00-287-6438MS17795-177 INTERCHANGEABLE
Bearing,sleeve
American Society for Testing and Materials Dba Astm International
Cross-Reference Index
Part NumberManufacturer
A-17042 PRIMARY Mueller Brass Co. (USA)
Related Parts
3120-00-287-6438INTERCHANGEABLE
BEARING,SLEEVE
MS17795-177

Frequently Asked Questions

What is NSN 6680-01-095-2100?

NSN 6680-01-095-2100 is a Indicator,sight,liquid, manufactured by Mueller Brass Co., classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-01-095-2100?

NSN 6680-01-095-2100 has 1 cross-referenced part number: A-17042 (Mueller Brass Co.).

What NSN replaces 6680-01-095-2100?

There is 1 known substitute for 6680-01-095-2100: 3120-00-287-6438. Verify interchangeability with system specifications before substitution.

What are the specifications of A-17042?

Key specifications for A-17042: Tube Outside Diameter for Which Designed: UNABLE TO DECODE; Furnished Data: ACTIVE INGREDIENT PRESENCE; Media for Which Designed: REFRIGERANT, FLUOROCARBON; Maximum Working Pressure: 500.0 POUNDS PER SQUARE INCH (PSI) LBS. 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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