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PartsTable / COMPONENT / 15178-4-7 3-8IN
15178-4-7 3-8IN ✓ 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 IMPELLER,PUMP,CENTRIFUGAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: SINGLE BALL SEAT, HEXAGON, nut_height: 0.870 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UNF, ball_seat_radius: 0.875 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-01-138-2247, 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
15178-4-7 3-8IN
NSN: 4320-01-138-2247
FSC: 4320
CAGE: 83130 — AIR & LIQUID SYSTEMS CORPORATION DBA BUFFALO PUMPS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleSINGLE BALL SEAT, HEXAGON
nut_height0.870 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN
thread_class2B
thread_seriesUNF
ball_seat_radius0.875 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OR ZINC OVERALL
width_across_flats1.465 INCHES NOMINAL IN
nominal_thread_size0.750 INCHES IN
thread_quantity_per_inch16
surface_treatment_document_and_classificationQQ-P-416 TY 2 CL2 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325 TY 2 CL 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL
NSN4320-01-138-2247
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available IMPELLER,PUMP,CENTRIFUGAL TITLE COMPONENT PN 15178-4-7 3-8IN MFR IMPELLER,PUMP,CENTRIFU
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
5310000537803Interchangeable
interchangeable cross-reference
interchangeable
11276Interchangeable
interchangeable cross-reference
interchangeable
211790AInterchangeable
interchangeable cross-reference
interchangeable
15178-7Interchangeable
Same NIIN cross-reference
interchangeable
15178-7-7-3/8Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 15178-4-7 3-8IN?
15178-4-7 3-8IN is a IMPELLER,PUMP,CENTRIFUGAL.
What parts can replace 15178-4-7 3-8IN?
There are 5 known substitutes for 15178-4-7 3-8IN: 5310000537803, 11276, 211790A and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 15178-4-7 3-8IN?
15178-4-7 3-8IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-01-138-2247. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026