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Technical Data Sheet
PartsTable / COMPONENT / 21663-HK
21663-HK ✓ 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 CONNECTOR,PLUG,ELECTRICAL is a the manufacturer industrial component. Key specifications include operation_method: POWERED, rotary_pump_design: GEAR, drive_connection_type: GEAR, intake_connection_type: OVAL FLANGE, media_for_which_designed: HYDROCARBON FUELS AND OILS, discharge_connection_type: OVAL FLANGE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-163-1073, 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
21663-HK
NSN: 4320-00-163-1073
FSC: 4320
CAGE: 55380 — HATCH & KIRK, INC. (USA)
SPECIFICATIONS
operation_methodPOWERED
rotary_pump_designGEAR
drive_connection_typeGEAR
intake_connection_typeOVAL FLANGE
media_for_which_designedHYDROCARBON FUELS AND OILS
discharge_connection_typeOVAL FLANGE
intake_connection_quantity1
maximum_discharge_flow_rate5.4 GALLONS PER MINUTE
discharge_connection_quantity1
NSN4320-00-163-1073
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CONNECTOR,PLUG,ELECTRICAL TITLE COMPONENT PN 21663-HK MFR CONNECTOR,PLUG,ELECTRI
KEY FEATURES
•
DISCHARGE CONNECTION QUANTITY: 1
•
DRIVE CONNECTION TYPE: GEAR
•
DISCHARGE CONNECTION TYPE: OVAL FLANGE
•
OPERATION METHOD: POWERED
•
INTAKE CONNECTION QUANTITY: 1
•
MAXIMUM DISCHARGE FLOW RATE: 5.4 GALLONS PER MINUTE
•
INTAKE CONNECTION TYPE: OVAL FLANGE
•
ROTARY PUMP DESIGN: GEAR
TECHNICAL CHARACTERISTICS (FLIS)
DISCHARGE CONNECTION QUANTITY1
DRIVE CONNECTION TYPEGEAR
DISCHARGE CONNECTION TYPEOVAL FLANGE
OPERATION METHODPOWERED
INTAKE CONNECTION QUANTITY1
MAXIMUM DISCHARGE FLOW RATE5.4 GALLONS PER MINUTE
INTAKE CONNECTION TYPEOVAL FLANGE
ROTARY PUMP DESIGNGEAR
MEDIA FOR WHICH DESIGNEDHYDROCARBON FUELS AND OILS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
21663Interchangeable
interchangeable cross-reference
interchangeable
45000-287-01Interchangeable
interchangeable cross-reference
interchangeable
278318Interchangeable
interchangeable cross-reference
interchangeable
78318Interchangeable
interchangeable cross-reference
interchangeable
MRE9SNH7VLInterchangeable
interchangeable cross-reference
interchangeable
5740575Interchangeable
Screw Assy. Vent
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21663-HK?
21663-HK is a CONNECTOR,PLUG,ELECTRICAL.
What parts can replace 21663-HK?
There are 9 known substitutes for 21663-HK: 21663, 45000-287-01, 278318 and 6 more. Substitute compatibility should be verified for your specific system.
Is 21663-HK still available?
21663-HK is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026