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Technical Data Sheet
20-58725-1 ✓ 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 relay: NOT INCLUDED, overall_width: 10.500 INCHES NOMINAL IN, overall_height: 5.000 INCHES NOMINAL IN, overall_length: 13.375 INCHES NOMINAL IN, mounting_method: FLANGE, actuation_method: BUOYANCY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2915-00-540-8176, 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
20-58725-1
NSN: 2915-00-540-8176
FSC: 2915
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
relayNOT INCLUDED
overall_width10.500 INCHES NOMINAL IN
float_quantity3
overall_height5.000 INCHES NOMINAL IN
overall_length13.375 INCHES NOMINAL IN
mounting_methodFLANGE
actuation_methodBUOYANCY
dc_voltage_rating28.0 VOLTS NOMINAL FIRST OPERATING POWER RQMT
mounting_positionVERTICAL
contact_arrangementSPDT,NORMALLY OPEN
mounting_dimensionsMTD BY EIGHT 0.260 IN. DIA HOLES EQUALLY SPACED ON 6.520 IN. BY 4.360 IN. OVAL IN
fsc_application_dataACFT FUEL SYSTEM INSTL
NSN2915-00-540-8176
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,LIQUID LEVEL TITLE COMPONENT PN 20-58725-1 MFR SWITCH,LIQUID LEVEL
KEY FEATURES
ACTUATION METHOD: BUOYANCY
TANK INSERTION LENGTH: 12.375 INCHES MAXIMUM IN
FLOAT AND CONTACT POSITIONS: FLOAT DOWN, CONTACTS OPEN
RELAY: NOT INCLUDED
LIQUID TYPE FOR WHICH DESIGNED: AIRCRAFT FUEL
AIRCRAFT FUEL FOR WHICH DESIGNED: ALL
MOUNTING DIMENSIONS: MTD BY EIGHT 0.260 IN. DIA HOLES EQUALLY SPACED ON 6.520 IN. BY 4.360 IN. OVAL IN
MOUNTING POSITION: VERTICAL
TECHNICAL CHARACTERISTICS (FLIS)
ACTUATION METHODBUOYANCY
TANK INSERTION LENGTH12.375 INCHES MAXIMUM IN
FLOAT AND CONTACT POSITIONSFLOAT DOWN, CONTACTS OPEN
RELAYNOT INCLUDED
LIQUID TYPE FOR WHICH DESIGNEDAIRCRAFT FUEL
AIRCRAFT FUEL FOR WHICH DESIGNEDALL
MOUNTING DIMENSIONSMTD BY EIGHT 0.260 IN. DIA HOLES EQUALLY SPACED ON 6.520 IN. BY 4.360 IN. OVAL IN
MOUNTING POSITIONVERTICAL
FLOAT QUANTITY3
CONTACT ARRANGEMENTSPDT,NORMALLY OPEN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
SD-20Interchangeable
interchangeable cross-reference
interchangeable
652000Interchangeable
interchangeable cross-reference
interchangeable
SD 20 ALL-PURPOSE CLEANER (AERO-Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20-58725-1?
20-58725-1 is a SWITCH,LIQUID LEVEL.
What parts can replace 20-58725-1?
There are 3 known substitutes for 20-58725-1: SD-20, 652000, SD 20 ALL-PURPOSE CLEANER (AERO-. Substitute compatibility should be verified for your specific system.
What is the NSN for 20-58725-1?
20-58725-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2915-00-540-8176. This indicates validated use in U.S. government and defense supply chains.
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