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Technical Data Sheet
12978B ✓ 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 BEARING,WASHER,THRUST is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3895-00-777-7178, 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
12978B
NSN: 3895-00-777-7178
FSC: 3895
CAGE: 71000 — SACHS-BOGE OF AMERICA (USA)
SPECIFICATIONS
general_characteristics_item_descriptionCONSISTS OF ONE IMPELLER ASSEMBLY P/N 12977,ONE STATOR ASSEMBLY P/N 12334,ONE "O"RING P/N 6357,ONE TURBINE ASSEMBLY P/N 12489,ONE FRONT COVER ASSEMBLY P/N 12906
NSN3895-00-777-7178
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BEARING,WASHER,THRUST TITLE COMPONENT PN 12978B MFR BEARING,WASHER,THRUST
KEY FEATURES
GENERAL CHARACTERISTICS ITEM DESCRIPTION: CONSISTS OF ONE IMPELLER ASSEMBLY P/N 12977,ONE STATOR ASSEMBLY P/N 12334,ONE "O"RING P/N 6357,ONE TURBINE ASSEMBLY P/N 12489,ONE FRONT COVER ASSEMBLY P/N 12906
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCONSISTS OF ONE IMPELLER ASSEMBLY P/N 12977,ONE STATOR ASSEMBLY P/N 12334,ONE "O"RING P/N 6357,ONE TURBINE ASSEMBLY P/N 12489,ONE FRONT COVER ASSEMBLY P/N 12906
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
12-078Interchangeable
interchangeable cross-reference
interchangeable
12-978Interchangeable
interchangeable cross-reference
interchangeable
E-121-DInterchangeable
interchangeable cross-reference
interchangeable
6-10-Q-M-DCInterchangeable
interchangeable cross-reference
interchangeable
SE-3-M-DCInterchangeable
interchangeable cross-reference
interchangeable
10Z8-111Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12978B?
12978B is a BEARING,WASHER,THRUST.
What parts can replace 12978B?
There are 9 known substitutes for 12978B: 12-078, 12-978, E-121-D and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12978B?
12978B is cataloged in the Federal Logistics Information System (FLIS) under NSN 3895-00-777-7178. This indicates validated use in U.S. government and defense supply chains.
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