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B7678 — IMPELLER,PUMP,CENTRIFUGAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

B7678: IMPELLER,PUMP,CENTRIFUGAL.

The IMPELLER,PUMP,CENTRIFUGAL is a the manufacturer industrial component. Key specifications include width: 2.500 INCHES NOMINAL IN, length: 2.750 INCHES NOMINAL IN, material: COPPER ALLOY, shank_style: STRAIGHT, overall_diameter: 1.940 INCHES MINIMUM AND 1.945 INCHES MAXIMUM IN, overall_thickness: 1.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5355-00-518-0325, 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
B7678
NSN: 5355-00-518-0325
NIINs: 005180325, 012376424
FSC: 5355 — Knobs and Pointers
CAGE: 62265 — VOLVO TRUCKS NORTH AMERICA, INC. DBA (FOREIGN PARENT IS VOLVO LASTVAGNAR AB, GOTEBORG, SWEDEN.) (USA)
SPECIFICATIONS
width2.500 INCHES NOMINAL IN
length2.750 INCHES NOMINAL IN
materialCOPPER ALLOY
shank_styleSTRAIGHT
overall_diameter1.940 INCHES MINIMUM AND 1.945 INCHES MAXIMUM IN
overall_thickness1.750 INCHES NOMINAL IN
nominal_thread_size0.500 INCHES SCREW HOLE IN
end_item_identificationPUMP,CENTRIFUGAL,OBERDORFER INDUSTRIES,MODEL 172B-A86
thread_quantity_per_inch20 SCREW HOLE
thread_series_designatorUNF SCREW HOLE
gripping_surface_conditionSMOOTH
rotation_direction_for_which_designedCLOCKWISE OR COUNTERCLOCKWISE
NSN5355-00-518-0325
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available IMPELLER,PUMP,CENTRIFUGAL TITLE COMPONENT PN B7678 MFR IMPELLER,PUMP,CENTRIFU
KEY FEATURES
•
LENGTH: 2.750 INCHES NOMINAL IN
•
OVERALL THICKNESS: 1.750 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.500 INCHES SCREW HOLE IN
•
SHANK STYLE: STRAIGHT
•
GRIPPING SURFACE CONDITION: SMOOTH
•
WIDTH: 2.500 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 20 SCREW HOLE
•
THREAD SERIES DESIGNATOR: UNF SCREW HOLE
TECHNICAL CHARACTERISTICS
LENGTH2.750 INCHES NOMINAL IN
OVERALL THICKNESS1.750 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.500 INCHES SCREW HOLE IN
SHANK STYLESTRAIGHT
GRIPPING SURFACE CONDITIONSMOOTH
WIDTH2.500 INCHES NOMINAL IN
THREAD QUANTITY PER INCH20 SCREW HOLE
THREAD SERIES DESIGNATORUNF SCREW HOLE
SUBSTITUTES & CROSS-REFERENCES 1
496A4Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B7678?
B7678 is a IMPELLER,PUMP,CENTRIFUGAL.
What parts can replace B7678?
There is 1 known substitute for B7678: 496A4. Substitute compatibility should be verified for your specific system.
What is the NSN for B7678?
B7678 is cataloged in the U.S. Government catalog under NSN 5355-00-518-0325. 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.