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PWA57121 — FIXTURE,ENGINE MAINTENANCE,AIRCR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

PWA57121: FIXTURE,ENGINE MAINTENANCE,AIRCR.

FIXTURE,ENGINE MAINTENANCE,AIRCR. Key specifications include special_features: REPLACED BY PWA 57647; COMPANY ITEM NAME-FIXTURE; STEEL, functional_description: TO TEST THE 2ND BEARING CARBON SEAL ASSEMBLY DURING ENGINE ASSEMBLY, nominal_overall_height: 7.000 INCHES IN, end_item_identification: F100-PW-220 ENGINE, nominal_overall_diameter: 8.000 INCHES IN, reference_data_and_literature: SERD NO. 4857; T.O.

2J-F100-94. This part is cataloged in the U.S. Government catalog under NSN 4920-01-194-3771, 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
PWA57121
NSN: 4920-01-194-3771
FSC: 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
special_featuresREPLACED BY PWA 57647; COMPANY ITEM NAME-FIXTURE; STEEL
functional_descriptionTO TEST THE 2ND BEARING CARBON SEAL ASSEMBLY DURING ENGINE ASSEMBLY
nominal_overall_height7.000 INCHES IN
end_item_identificationF100-PW-220 ENGINE
nominal_overall_diameter8.000 INCHES IN
reference_data_and_literatureSERD NO. 4857; T.O. 2J-F100-94
NSN4920-01-194-3771
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FIXTURE,ENGINE MAINTENANCE,AIRCR TITLE COMPONENT PN PWA57121 MFR FIXTURE,ENGINE MAINTEN
KEY FEATURES
•
NOMINAL OVERALL DIAMETER: 8.000 INCHES IN
•
REFERENCE DATA AND LITERATURE: SERD NO. 4857; T.O. 2J-F100-94
•
NOMINAL OVERALL HEIGHT: 7.000 INCHES IN
•
FUNCTIONAL DESCRIPTION: TO TEST THE 2ND BEARING CARBON SEAL ASSEMBLY DURING ENGINE ASSEMBLY
TECHNICAL CHARACTERISTICS
NOMINAL OVERALL DIAMETER8.000 INCHES IN
REFERENCE DATA AND LITERATURESERD NO. 4857; T.O. 2J-F100-94
NOMINAL OVERALL HEIGHT7.000 INCHES IN
SPECIAL FEATURESREPLACED BY PWA 57647; COMPANY ITEM NAME-FIXTURE; STEEL
FUNCTIONAL DESCRIPTIONTO TEST THE 2ND BEARING CARBON SEAL ASSEMBLY DURING ENGINE ASSEMBLY
END ITEM IDENTIFICATIONF100-PW-220 ENGINE
OTHER ITEMS IN FSC 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4920-00-000-0190 4920-00-001-1405 4920-00-001-1716 4920-00-001-1744 4920-00-001-1745 4920-00-001-1746 4920-00-001-1747 4920-00-001-1748
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is PWA57121?
PWA57121 is a FIXTURE,ENGINE MAINTENANCE,AIRCR.
What is the NSN for PWA57121?
PWA57121 is cataloged in the U.S. Government catalog under NSN 4920-01-194-3771. 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.