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Technical Data Sheet
PartsTable / COMPONENT / 6-657-1
6-657-1 ✓ 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

VALVE,DUAL SHUTOFF,TANK-MOUNTED. Key specifications include filter: NOT INCLUDED, material: STEEL BODY, body_style: ANGLE, regulation_type: MANUAL SINGLE STAGE, special_features: STEELCAD PLATE, flow_control_device: PISTON, TOP GUIDED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2915-00-618-5825, 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
6-657-1
NSN: 2915-00-618-5825
FSC: 2915
CAGE: 92003 — PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS (USA)
SPECIFICATIONS
filterNOT INCLUDED
materialSTEEL BODY
body_styleANGLE
regulation_typeMANUAL SINGLE STAGE
special_featuresSTEELCAD PLATE
flow_control_devicePISTON, TOP GUIDED
manual_control_methodTEE HANDLE
end_connection_quantity2
end_item_identification3805-00-280-7269
first_end_connection_typeTHREADED EXTERNAL TUBE
first_end_style_designatorFLARED
second_end_connection_typeUNTHREADED EXTERNAL HOSE
NSN2915-00-618-5825
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available VALVE,DUAL SHUTOFF,TANK-MOUNTED TITLE COMPONENT PN 6-657-1 MFR VALVE,DUAL SHUTOFF,TAN
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: INCLUDES PISTON ASSY 6-852-98,6-852-86,AND FLOAT & PILOT ASSY 6-657-9 AND 6-657-15; SOLENOID ASSY 6-852-20-1 OPERATING VOLTAGE 18-30 VDC VDC
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONF104 AIRCRAFT FUEL SYSTEM
GENERAL CHARACTERISTICS ITEM DESCRIPTIONINCLUDES PISTON ASSY 6-852-98,6-852-86,AND FLOAT & PILOT ASSY 6-657-9 AND 6-657-15; SOLENOID ASSY 6-852-20-1 OPERATING VOLTAGE 18-30 VDC VDC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
63420-01Interchangeable
interchangeable cross-reference
interchangeable
B6657-1Interchangeable
interchangeable cross-reference
interchangeable
6657-1Interchangeable
interchangeable cross-reference
interchangeable
301803R91Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6-657-1?
6-657-1 is a VALVE,DUAL SHUTOFF,TANK-MOUNTED.
What parts can replace 6-657-1?
There are 4 known substitutes for 6-657-1: 63420-01, B6657-1, 6657-1 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6-657-1?
6-657-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2915-00-618-5825. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026