PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

819Indicator,sight,liquid

Superior Valve Co · NSN 6680-01-252-6649 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-01-252-6649 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-252-6649. Primary manufacturer part number: 819.
Features
  • Indicator,sight,liquid — FSC 6680
  • Style Designator: BULLS EYE W/CAP
  • Data Furnishing Method: CLEAR WINDOW
  • Media for Which Designed: REFRIGERANT, FLUOROCARBON
  • End Connection Type: UNABLE TO DECODE
  • Maximum Working Pressure: 500.0 POUNDS PER SQUARE INCH (PSI) LBS
  • Furnished Data: EXCESS MOISTURE CONTENT
  • 1 verified cross-reference
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Indicator,sight,liquid, cataloged under National Stock Number 6680-01-252-6649, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Superior Valve Co. Government technical data includes 6 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6680-01-252-6649
Primary Part Number819
Item NameIndicator,sight,liquid
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerSuperior Valve Co
StatusACTIVE
Style DesignatorBULLS EYE W/CAP
Data Furnishing MethodCLEAR WINDOW
Media for Which DesignedREFRIGERANT, FLUOROCARBON
End Connection TypeUNABLE TO DECODE
Maximum Working Pressure500.0 POUNDS PER SQUARE INCH (PSI) LBS
Furnished DataEXCESS MOISTURE CONTENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5935-00-230-41561251-0048 INTERCHANGEABLE
Adapter,connector
Keysight Technologies Inc
5120-00-293-3466 INTERCHANGEABLE
Punch,center,automatic
5826-00-519-7563819 INTERCHANGEABLE
Control,indicator
Sensor Systems, L.l.c. Dba Sensor Systems Llc
2640-00-585-4827 INTERCHANGEABLE
Valve,pneumatic Tire
6625-00-818-4122 INTERCHANGEABLE
Resistor,decade
4210-00-889-249111340 INTERCHANGEABLE
Extinguisher,fire
Buckeye Fire Equipment Co
5365-01-195-083481-9 INTERCHANGEABLE
Shim
Curtiss-Wright Controls Integrated Sensing, Inc.
3110-01-247-9041 INTERCHANGEABLE
Bearing,ball,annular
6910-01-300-6541819 INTERCHANGEABLE
Simulation Kit,casualty
Simulaids, Inc. Div Simulaids
5360-01-341-8773 INTERCHANGEABLE
Spring,helical,compression
Cross-Reference Index
Part NumberManufacturer
819 PRIMARY Superior Valve Co (USA)
Related Parts
5935-00-230-4156INTERCHANGEABLE
ADAPTER,CONNECTOR
1251-0048
5120-00-293-3466INTERCHANGEABLE
PUNCH,CENTER,AUTOMATIC
5826-00-519-7563INTERCHANGEABLE
CONTROL,INDICATOR
819
2640-00-585-4827INTERCHANGEABLE
VALVE,PNEUMATIC TIRE
6625-00-818-4122INTERCHANGEABLE
RESISTOR,DECADE
4210-00-889-2491INTERCHANGEABLE
EXTINGUISHER,FIRE
11340
5365-01-195-0834INTERCHANGEABLE
SHIM
81-9
3110-01-247-9041INTERCHANGEABLE
BEARING,BALL,ANNULAR
6910-01-300-6541INTERCHANGEABLE
SIMULATION KIT,CASUALTY
819
5360-01-341-8773INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
2540-01-362-1157INTERCHANGEABLE
ARM,WINDSHIELD WIPER
1730-01-384-2193INTERCHANGEABLE
TRAILER,LIFT,GROUND HANDLING
819

Frequently Asked Questions

What is NSN 6680-01-252-6649?

NSN 6680-01-252-6649 is a Indicator,sight,liquid, manufactured by Superior Valve Co, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-01-252-6649?

NSN 6680-01-252-6649 has 1 cross-referenced part number: 819 (Superior Valve Co).

What NSN replaces 6680-01-252-6649?

There are 12 known substitutes for 6680-01-252-6649: 5935-00-230-4156, 5120-00-293-3466, 5826-00-519-7563 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 819?

Key specifications for 819: Style Designator: BULLS EYE W/CAP; Data Furnishing Method: CLEAR WINDOW; Media for Which Designed: REFRIGERANT, FLUOROCARBON; End Connection Type: UNABLE TO DECODE. 7 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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