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Technical Data Sheet
4550-0018 ✓ 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 COMPRESSOR UNIT,REFRIGERATION is a the manufacturer industrial component. Key specifications include drive_shaft_type: SPLINED, INVOLUTE INTERNAL, drive_shaft_length: 1.565 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN, volume_control_type: PRESSURE COMPENSATION, pumping_element_type: PISTON, drive_connection_type: CLOSE COUPLED, intake_connection_type: THREADED INTERNAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-01-109-2361, 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
4550-0018
NSN: 4320-01-109-2361
FSC: 4320
CAGE: 06659 — TESTEK LLC DBA TESTEK SOLUTIONS (USA)
SPECIFICATIONS
drive_shaft_typeSPLINED, INVOLUTE INTERNAL
special_featuresREMOTE COMPENSATOR CONNECTION PORTS X1 AND A1 PER MS33649-8. WITH FULL FLOW BOOST PUMP; INTAKE PER MS33649-32,DISCHARGE PER MS33649-24
drive_shaft_length1.565 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
volume_control_typePRESSURE COMPENSATION
pumping_element_typePISTON
drive_connection_typeCLOSE COUPLED
intake_connection_typeTHREADED INTERNAL
end_item_identification4920-00-618-8993
pump_rotation_directionCOUNTERCLOCKWISE
drive_shaft_end_diameter1.262 INCHES MINIMUM AND 1.267 INCHES MAXIMUM IN
media_for_which_designedHYDROCARBON FUELS AND OILS
discharge_connection_typeTHREADED INTERNAL
NSN4320-01-109-2361
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COMPRESSOR UNIT,REFRIGERATION TITLE COMPONENT PN 4550-0018 MFR COMPRESSOR UNIT,REFRIG
KEY FEATURES
INTAKE CONNECTION QUANTITY: 1
MEDIA FOR WHICH DESIGNED: HYDROCARBON FUELS AND OILS
INTAKE CONNECTION THREAD SIZE AND SERIES/TYPE DESIGNATOR: 1.875-12 UNIFIED NATIONAL JOINT (UNJ)
INTAKE CONNECTION TYPE: THREADED INTERNAL
DRIVE SHAFT LENGTH: 1.565 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
PUMP RECIPROCATING DESIGN: SINGLE ACTING
PUMP ROTATION DIRECTION: COUNTERCLOCKWISE
DRIVE CONNECTION TYPE: CLOSE COUPLED
TECHNICAL CHARACTERISTICS (FLIS)
INTAKE CONNECTION QUANTITY1
MEDIA FOR WHICH DESIGNEDHYDROCARBON FUELS AND OILS
INTAKE CONNECTION THREAD SIZE AND SERIES/TYPE DESIGNATOR1.875-12 UNIFIED NATIONAL JOINT (UNJ)
INTAKE CONNECTION TYPETHREADED INTERNAL
DRIVE SHAFT LENGTH1.565 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
PUMP RECIPROCATING DESIGNSINGLE ACTING
PUMP ROTATION DIRECTIONCOUNTERCLOCKWISE
DRIVE CONNECTION TYPECLOSE COUPLED
END ITEM IDENTIFICATION4920-00-618-8993
DRIVE SHAFT END DIAMETER1.262 INCHES MINIMUM AND 1.267 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
83-0001Interchangeable
interchangeable cross-reference
interchangeable
AE3414AInterchangeable
interchangeable cross-reference
interchangeable
AE3414ABMAE121AL-014-J7Interchangeable
interchangeable cross-reference
interchangeable
4550-0018-1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4550-0018?
4550-0018 is a COMPRESSOR UNIT,REFRIGERATION.
What parts can replace 4550-0018?
There are 4 known substitutes for 4550-0018: 83-0001, AE3414A, AE3414ABMAE121AL-014-J7 and 1 more. Substitute compatibility should be verified for your specific system.
Is 4550-0018 still available?
4550-0018 is currently cancelled.
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