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Technical Data Sheet
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R76778-1000 — Technical Data Sheet

✓ Government record, cited
— · 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 IMPELLER,PUMP,CENTRIFUGAL is a the manufacturer industrial component. Key specifications include material: STEEL, blade_type: BACKWARD CURVE, hub_length: 0.281 INCHES NOMINAL IN, design_type: SINGLE WIDTH, hub_location: FRONT SIDE, overall_width: 1.875 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4320-00-360-8819, 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
R76778-1000
NSN: 4320-00-360-8819
FSC: 4320 — Power and Hand Pumps
CAGE: 25681 — ITT GOULDS PUMPS, INC. (USA)
SPECIFICATIONS
materialSTEEL
blade_typeBACKWARD CURVE
hub_length0.281 INCHES NOMINAL IN
design_typeSINGLE WIDTH
hub_locationFRONT SIDE
hub_quantity1
overall_width1.875 INCHES NOMINAL IN
blade_quantity5
mounting_methodTHREAD
thread_diameter0.750 INCHES NOMINAL IN
thread_quantity10 PER INCH
overall_diameter4.750 INCHES NOMINAL IN
NSN4320-00-360-8819
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available IMPELLER,PUMP,CENTRIFUGAL TITLE COMPONENT PN R76778-1000 MFR IMPELLER,PUMP,CENTRIFU
KEY FEATURES
•
HUB BORE DIAMETER: 0.750 INCHES NOMINAL IN
•
HUB LENGTH: 0.281 INCHES NOMINAL IN
•
DESIGN TYPE: SINGLE WIDTH
•
OVERALL DIAMETER: 4.750 INCHES NOMINAL IN
•
MOUNTING METHOD: THREAD
•
THREAD DIAMETER: 0.750 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HUB BORE DIAMETER0.750 INCHES NOMINAL IN
HUB LENGTH0.281 INCHES NOMINAL IN
DESIGN TYPESINGLE WIDTH
OVERALL DIAMETER4.750 INCHES NOMINAL IN
MOUNTING METHODTHREAD
THREAD DIAMETER0.750 INCHES NOMINAL IN
OVERALL WIDTH1.875 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
HUB PROJECTION LENGTH BEYOND WHEEL SIDE0.281 INCHES NOMINAL IN
BLADE QUANTITY5
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 1
R76778-1013Possible match (shared part number)
Impeller,pump,centrifugal
Possible match (shared part number)
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is R76778-1000?
R76778-1000 is a IMPELLER,PUMP,CENTRIFUGAL.
What parts can replace R76778-1000?
There is 1 known substitute for R76778-1000: R76778-1013. Substitute compatibility should be verified for your specific system.
What is the NSN for R76778-1000?
R76778-1000 is cataloged in the U.S. Government catalog under NSN 4320-00-360-8819. 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.