751 878 — SEAL,METALLIC,AIRCRAFT GAS TURBI

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

751 878: SEAL,METALLIC,AIRCRAFT GAS TURBI.

SEAL,METALLIC,AIRCRAFT GAS TURBI. Key specifications include diameter: 4.753 INCHES NOMINAL IN, material: GRAPHITE OVERALL, design_type: AXIAL COMPRESSOR, end_item_identification: J-57 AIRCRAFT GAS TURBINE ENGINE, engine_section_location: TURBINE, criticality_code_justification: CZBJ AND ABMZ AND APGF. This part is cataloged in the U.S.

Government catalog under NSN 2840-00-091-7627, 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

751 878

NSN: 2840-00-091-7627
NIINs: 000917627, 010421036
FSC: 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)

SPECIFICATIONS

diameter	4.753 INCHES NOMINAL IN
material	GRAPHITE OVERALL
design_type	AXIAL COMPRESSOR
end_item_identification	J-57 AIRCRAFT GAS TURBINE ENGINE
engine_section_location	TURBINE
criticality_code_justification	CZBJ AND ABMZ AND APGF
part_name_assigned_by_controlling_agency	ORIGINAL NAME SEAL FACE,BEARING,TURBINE ENGINE
NSN	2840-00-091-7627

COMPONENT DIAGRAM

KEY FEATURES

•

DESIGN TYPE: AXIAL COMPRESSOR

•

CRITICALITY CODE JUSTIFICATION: CZBJ AND ABMZ AND APGF

•

DIAMETER: 4.753 INCHES NOMINAL IN

•

ENGINE SECTION LOCATION: TURBINE

•

MATERIAL: GRAPHITE OVERALL

TECHNICAL CHARACTERISTICS

DESIGN TYPE	AXIAL COMPRESSOR
CRITICALITY CODE JUSTIFICATION	CZBJ AND ABMZ AND APGF
DIAMETER	4.753 INCHES NOMINAL IN
ENGINE SECTION LOCATION	TURBINE
PART NAME ASSIGNED BY CONTROLLING AGENCY	ORIGINAL NAME SEAL FACE,BEARING,TURBINE ENGINE
END ITEM IDENTIFICATION	J-57 AIRCRAFT GAS TURBINE ENGINE
MATERIAL	GRAPHITE OVERALL

SUBSTITUTES & CROSS-REFERENCES 2

708342Reference document

Same NSN cross-reference

Reference document — Secondary reference

565726Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Demilitarization required — critical (Q)

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FREQUENTLY ASKED QUESTIONS

What is 751 878?

751 878 is a SEAL,METALLIC,AIRCRAFT GAS TURBI.

What parts can replace 751 878?

There are 2 known substitutes for 751 878: 708342, 565726. Substitute compatibility should be verified for your specific system.

What is the NSN for 751 878?

751 878 is cataloged in the U.S. Government catalog under NSN 2840-00-091-7627. This indicates validated use in U.S. government and defense supply chains.

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751 878 — SEAL,METALLIC,AIRCRAFT GAS TURBI

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