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3257559 — PUMP UNIT,CENTRIFUGAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3257559: PUMP UNIT,CENTRIFUGAL.

The PUMP UNIT,CENTRIFUGAL is a the manufacturer industrial component. Key specifications include phase: THREE, current_type: AC, cooling_method: BLOWER COOLED, prime_mover_type: ELECTRIC MOTOR, voltage_in_volts: 440.0, frequency_in_hertz: 60.0. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-421-7272, 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
3257559
NSN: 5340-00-421-7272
NIINs: 004217272, 013124086
FSC: 5340 — Hardware, Commercial
CAGE: 82577 — RAYTHEON COMPANY DBA RAYTHEON (USA)
SPECIFICATIONS
phaseTHREE
current_typeAC
cooling_methodBLOWER COOLED
prime_mover_typeELECTRIC MOTOR
voltage_in_volts440.0
frequency_in_hertz60.0
prime_mover_quantity1
end_item_identificationDEMINERALIZED WATER COOLING EQUIPMENT
environmental_protectionDRIPPROOF
prime_mover_power_rating20.0 HORSEPOWER
prime_mover_cooling_mediumAIR
maximum_discharge_flow_rate155.0 GALLONS PER MINUTE
NSN5340-00-421-7272
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3257559 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESTHE BRACKET IS MADE OF STEEL; THE OVERALL LENGTH IS 2.6915 IN.,THE OVERALL WIDTH IS 1.964 IN.,THE OVERALL HEIGTH IS 1.1025 IN.; THERE IS ONE UNTHREADED WITH A DIA. OF 0.359 IN. AND EIGHT HOLES WITH A DIA. OF 0.120 IN.,THERE ARE FOUR OF EIGHT HOLES THAT ARE COUNTERSUNK 0.240 IN. IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3257559?
3257559 is a PUMP UNIT,CENTRIFUGAL.
What is the NSN for 3257559?
3257559 is cataloged in the U.S. Government catalog under NSN 5340-00-421-7272. This indicates validated use in U.S. government and defense supply chains.
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