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Technical Data Sheet
88-21121-1 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The SWITCH,LIQUID LEVEL is a the manufacturer industrial component. Key specifications include actuation_method: BUOYANCY, overall_diameter: 1.250 INCHES NOMINAL IN, dc_voltage_rating: 24.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED, mounting_position: VERTICAL, tank_insertion_length: 8.078 INCHES MINIMUM AND 8.328 INCHES MAXIMUM IN, float_effective_travel: 1.000 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2910-01-376-2268, 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
88-21121-1
NSN: 2910-01-376-2268
FSC: 2910
CAGE: 30554 — DEPARTMENT OF DEFENSE PROJECT MANAGER-MOBILE ELECTRIC POWER (USA)
SPECIFICATIONS
actuation_methodBUOYANCY
overall_diameter1.250 INCHES NOMINAL IN
dc_voltage_rating24.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED
mounting_positionVERTICAL
tank_insertion_length8.078 INCHES MINIMUM AND 8.328 INCHES MAXIMUM IN
float_effective_travel1.000 INCHES NOMINAL IN
end_item_identification6115-01-274-7388
liquid_type_for_which_designedFUEL, NONAIRCRAFT
NSN2910-01-376-2268
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,LIQUID LEVEL TITLE COMPONENT PN 88-21121-1 MFR SWITCH,LIQUID LEVEL
KEY FEATURES
LIQUID TYPE FOR WHICH DESIGNED: FUEL, NONAIRCRAFT
ACTUATION METHOD: BUOYANCY
TANK INSERTION LENGTH: 8.078 INCHES MINIMUM AND 8.328 INCHES MAXIMUM IN
OVERALL DIAMETER: 1.250 INCHES NOMINAL IN
FLOAT EFFECTIVE TRAVEL: 1.000 INCHES NOMINAL IN
MOUNTING POSITION: VERTICAL
DC VOLTAGE RATING: 24.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED
TECHNICAL CHARACTERISTICS (FLIS)
LIQUID TYPE FOR WHICH DESIGNEDFUEL, NONAIRCRAFT
ACTUATION METHODBUOYANCY
END ITEM IDENTIFICATION6115-01-274-7388
TANK INSERTION LENGTH8.078 INCHES MINIMUM AND 8.328 INCHES MAXIMUM IN
OVERALL DIAMETER1.250 INCHES NOMINAL IN
FLOAT EFFECTIVE TRAVEL1.000 INCHES NOMINAL IN
MOUNTING POSITIONVERTICAL
DC VOLTAGE RATING24.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
43875Interchangeable
interchangeable cross-reference
interchangeable
104551Interchangeable
interchangeable cross-reference
interchangeable
104556Interchangeable
interchangeable cross-reference
interchangeable
88-21121-2Interchangeable
interchangeable cross-reference
interchangeable
10455-2Interchangeable
interchangeable cross-reference
interchangeable
88-21121Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 88-21121-1?
88-21121-1 is a SWITCH,LIQUID LEVEL.
What parts can replace 88-21121-1?
There are 9 known substitutes for 88-21121-1: 43875, 104551, 104556 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 88-21121-1?
88-21121-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2910-01-376-2268. This indicates validated use in U.S. government and defense supply chains.
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