51445K921 — SWITCH,LIQUID LEVEL

✓ Government record, cited

MCMASTER-CARR SUPPLY CO · COMPONENT

PRODUCT OVERVIEW

51445K921: SWITCH,LIQUID LEVEL.

The SWITCH,LIQUID LEVEL is a MCMASTER-CARR SUPPLY CO industrial component. Key specifications include OVERALL DIAMETER: 3.5 INCHES NOMINAL IN, SPECIAL FEATURES: MAX PSI AT 70F: 20, FLOAT DIAMETER: 3.5" FLOAT LENGTH: 3.25", POWER CABLE LENGTH: 234.0 INCHES NOMINAL IN, OPERATING TEMP RATING: 33.0 FAHRENHEIT MINIMUM AND 140.0 FAHRENHEIT MAXIMUM DEGF, FLOAT EFFECTIVE TRAVEL: 3.25 INCHES NOMINAL IN, MAXIMUM CURRENT RATING: 15.00 AMPERES NOMINAL LOAD. This part is cataloged in the U.S.

Government catalog under NSN 6680-01-643-6379, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS

51445K921

NSN: 6680-01-643-6379
FSC: 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)

SPECIFICATIONS

FLOAT QUANTITY	1
OVERALL DIAMETER	3.5 INCHES NOMINAL IN
SPECIAL FEATURES	MAX PSI AT 70F: 20, FLOAT DIAMETER: 3.5" FLOAT LENGTH: 3.25"
POWER CABLE LENGTH	234.0 INCHES NOMINAL IN
OPERATING TEMP RATING	33.0 FAHRENHEIT MINIMUM AND 140.0 FAHRENHEIT MAXIMUM DEGF
FLOAT EFFECTIVE TRAVEL	3.25 INCHES NOMINAL IN
MAXIMUM CURRENT RATING	15.00 AMPERES NOMINAL LOAD
ELECTRICAL CONNECTION TYPE	CABLE
LIQUID TYPE FOR WHICH DESIGNED	WATER
VOLTAGE RATING AT MAXIMUM RATED CURRENT	120.0 VOLTS
PART NAME ASSIGNED BY CONTROLLING AGENCY	SWITCH LIQUID LEVEL
NSN	6680-01-643-6379

COMPONENT DIAGRAM

KEY FEATURES

•

POWER CABLE LENGTH: 234.0 INCHES NOMINAL IN

•

OVERALL DIAMETER: 3.5 INCHES NOMINAL IN

•

VOLTAGE RATING AT MAXIMUM RATED CURRENT: 120.0 VOLTS

•

MAXIMUM CURRENT RATING: 15.00 AMPERES NOMINAL LOAD

•

FLOAT EFFECTIVE TRAVEL: 3.25 INCHES NOMINAL IN

•

FLOAT QUANTITY: 1

•

LIQUID TYPE FOR WHICH DESIGNED: WATER

•

OPERATING TEMP RATING: 33.0 FAHRENHEIT MINIMUM AND 140.0 FAHRENHEIT MAXIMUM DEGF

TECHNICAL CHARACTERISTICS

POWER CABLE LENGTH	234.0 INCHES NOMINAL IN
OVERALL DIAMETER	3.5 INCHES NOMINAL IN
VOLTAGE RATING AT MAXIMUM RATED CURRENT	120.0 VOLTS
MAXIMUM CURRENT RATING	15.00 AMPERES NOMINAL LOAD
FLOAT EFFECTIVE TRAVEL	3.25 INCHES NOMINAL IN
FLOAT QUANTITY	1
LIQUID TYPE FOR WHICH DESIGNED	WATER
OPERATING TEMP RATING	33.0 FAHRENHEIT MINIMUM AND 140.0 FAHRENHEIT MAXIMUM DEGF
SPECIAL FEATURES	MAX PSI AT 70F: 20, FLOAT DIAMETER: 3.5" FLOAT LENGTH: 3.25"
PART NAME ASSIGNED BY CONTROLLING AGENCY	SWITCH LIQUID LEVEL

OTHER ITEMS IN FSC 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

6680-00-000-0189 6680-00-001-1478 6680-00-001-1502 6680-00-001-1506 6680-00-001-1511 6680-00-001-3672 6680-00-001-3675 6680-00-001-4170

SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 51445K921?

51445K921 is a SWITCH,LIQUID LEVEL manufactured by MCMASTER-CARR SUPPLY CO.

What is the NSN for 51445K921?

51445K921 is cataloged in the U.S. Government catalog under NSN 6680-01-643-6379. This indicates validated use in U.S. government and defense supply chains.

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51445K921 — SWITCH,LIQUID LEVEL

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