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546228 — COVER,INLET CASE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

546228: COVER,INLET CASE.

The COVER,INLET CASE is a the manufacturer industrial component. Key specifications include special_features: MATL TITANIUM ALLOY AMS 4901, end_item_identification: ACFT ENGINE J57-43, criticality_code_justification: FEAT AND AGAV. This part is cataloged in the U.S.

Government catalog under NSN 2840-01-035-0504, 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
546228
NSN: 2840-01-035-0504
FSC: 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
special_featuresMATL TITANIUM ALLOY AMS 4901
end_item_identificationACFT ENGINE J57-43
criticality_code_justificationFEAT AND AGAV
NSN2840-01-035-0504
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COVER,INLET CASE TITLE COMPONENT PN 546228 MFR COVER,INLET CASE
KEY FEATURES
•
CRITICALITY CODE JUSTIFICATION: FEAT AND AGAV
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONFEAT AND AGAV
SPECIAL FEATURESMATL TITANIUM ALLOY AMS 4901
END ITEM IDENTIFICATIONACFT ENGINE J57-43
OTHER ITEMS IN FSC 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2840-00-004-4242 2840-00-021-4702 2840-00-043-0981 2840-00-043-0982 2840-00-048-5261 2840-00-407-9165 2840-01-171-0875
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 546228?
546228 is a COVER,INLET CASE.
What is the NSN for 546228?
546228 is cataloged in the U.S. Government catalog under NSN 2840-01-035-0504. 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.