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4028894 — PUMP,ROTARY

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

4028894: PUMP,ROTARY.

The PUMP,ROTARY is a the manufacturer industrial component. Key specifications include mounting_type: FRAME, control_location: RIGHT SIDE, drive_shaft_type: SPLINED, STRAIGHT EXTERNAL, operation_method: POWERED, drive_shaft_length: 4.500 INCHES NOMINAL IN, rotary_pump_design: GEAR. This part is cataloged in the U.S.

Government catalog under NSN 4320-00-286-0780, 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
4028894
NSN: 4320-00-286-0780
FSC: 4320 — Power and Hand Pumps
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
mounting_typeFRAME
control_locationRIGHT SIDE
drive_shaft_typeSPLINED, STRAIGHT EXTERNAL
operation_methodPOWERED
drive_shaft_length4.500 INCHES NOMINAL IN
rotary_pump_designGEAR
volume_control_typeROTARY
drive_connection_typeSPUR GEAR
intake_connection_typeOVAL FLANGE
end_item_identificationENGINE,ACFT,TURBOFAN,MODEL J57
pump_rotation_directionCLOCKWISE
drive_shaft_end_diameter0.935 INCHES NOMINAL IN
NSN4320-00-286-0780
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PUMP,ROTARY TITLE COMPONENT PN 4028894 MFR PUMP,ROTARY
KEY FEATURES
•
DISCHARGE CONNECTION QUANTITY: 1
•
INTAKE CONNECTION TYPE: OVAL FLANGE
•
DRIVE SHAFT LENGTH: 4.500 INCHES NOMINAL IN
•
DRIVE CONNECTION TYPE: SPUR GEAR
•
CONTROL LOCATION: RIGHT SIDE
•
DRIVE SHAFT TYPE: SPLINED, STRAIGHT EXTERNAL
•
VOLUME CONTROL TYPE: ROTARY
•
DRIVE SHAFT END DIAMETER: 0.935 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
DISCHARGE CONNECTION QUANTITY1
INTAKE CONNECTION TYPEOVAL FLANGE
DRIVE SHAFT LENGTH4.500 INCHES NOMINAL IN
DRIVE CONNECTION TYPESPUR GEAR
CONTROL LOCATIONRIGHT SIDE
DRIVE SHAFT TYPESPLINED, STRAIGHT EXTERNAL
VOLUME CONTROL TYPEROTARY
DRIVE SHAFT END DIAMETER0.935 INCHES NOMINAL IN
ROTARY PUMP DESIGNGEAR
DISCHARGE CONNECTION TYPEOVAL FLANGE
OTHER ITEMS IN FSC 4320 — Power and Hand Pumps
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4320-00-001-1633 4320-00-001-2628 4320-00-001-2629 4320-00-001-2630 4320-00-001-2631 4320-00-001-2632 4320-00-001-3377 4320-00-001-3384
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedDemilitarization required — mutilation + specific procedure
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FREQUENTLY ASKED QUESTIONS
What is 4028894?
4028894 is a PUMP,ROTARY.
What is the NSN for 4028894?
4028894 is cataloged in the U.S. Government catalog under NSN 4320-00-286-0780. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.