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457945 — TURBINE ROTOR SEAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

457945: TURBINE ROTOR SEAL.

The TURBINE ROTOR SEAL is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: NICKEL ALLOY; 0.640 IN. TO 0.660 IN.

LG; 0.401 IN. TO 0.411 IN. DIA,12 HOLES IN.

This part is cataloged in the U.S. Government catalog under NSN 2840-00-755-7444, 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
457945
NSN: 2840-00-755-7444
FSC: 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
general_characteristics_item_descriptionNICKEL ALLOY; 0.640 IN. TO 0.660 IN. LG; 0.401 IN. TO 0.411 IN. DIA,12 HOLES IN
NSN2840-00-755-7444
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TURBINE ROTOR SEAL TITLE COMPONENT PN 457945 MFR TURBINE ROTOR SEAL
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: NICKEL ALLOY; 0.640 IN. TO 0.660 IN. LG; 0.401 IN. TO 0.411 IN. DIA,12 HOLES IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONNICKEL ALLOY; 0.640 IN. TO 0.660 IN. LG; 0.401 IN. TO 0.411 IN. DIA,12 HOLES IN
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: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 457945?
457945 is a TURBINE ROTOR SEAL.
What is the NSN for 457945?
457945 is cataloged in the U.S. Government catalog under NSN 2840-00-755-7444. 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.