246738 — SEAL,METALLIC,AIRCRAFT GAS TURBI

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

246738: SEAL,METALLIC,AIRCRAFT GAS TURBI.

SEAL,METALLIC,AIRCRAFT GAS TURBI. Key specifications include diameter: 7.070 INCHES MINIMUM AND 7.090 INCHES MAXIMUM IN, material: STEEL OVERALL, design_type: AXIAL COMPRESSOR, overall_length: 0.693 INCHES MINIMUM AND 0.695 INCHES MAXIMUM IN, special_features: T.O. 2J-J57-24, FIG 16, IND 18; USED ON THE J57-P-21B & 23B ENGINES; REAR ROTOR COMPRESSOR, surface_treatment: CHROMIUM OVERALL.

This part is cataloged in the U.S. Government catalog under NSN 2840-00-505-9305, 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

246738

NSN: 2840-00-505-9305
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	7.070 INCHES MINIMUM AND 7.090 INCHES MAXIMUM IN
material	STEEL OVERALL
design_type	AXIAL COMPRESSOR
overall_length	0.693 INCHES MINIMUM AND 0.695 INCHES MAXIMUM IN
special_features	T.O. 2J-J57-24, FIG 16, IND 18; USED ON THE J57-P-21B & 23B ENGINES; REAR ROTOR COMPRESSOR
surface_treatment	CHROMIUM OVERALL
end_item_identification	J-57 AIRCRAFT ENGINE
engine_section_location	COMPRESSOR
criticality_code_justification	SFTT AND CZBJ AND ABMZ AND ABHP
material_document_and_classification	AMS6322 ASSN STD SINGLE MATERIAL RESPONSE OR AAMS6323 ASSN STD 2ND MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agency	ORIGINAL NAME PLATE,BEARING SEAL
surface_treatment_document_and_classification	AMS2406 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
NSN	2840-00-505-9305

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS2406 ASSN STD SINGLE TREATMENT RESPONSE OVERALL

•

DESIGN TYPE: AXIAL COMPRESSOR

•

CRITICALITY CODE JUSTIFICATION: SFTT AND CZBJ AND ABMZ AND ABHP

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS6322 ASSN STD SINGLE MATERIAL RESPONSE OR AAMS6323 ASSN STD 2ND MATERIAL RESPONSE OVERALL

•

DIAMETER: 7.070 INCHES MINIMUM AND 7.090 INCHES MAXIMUM IN

•

ENGINE SECTION LOCATION: COMPRESSOR

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS2406 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
DESIGN TYPE	AXIAL COMPRESSOR
CRITICALITY CODE JUSTIFICATION	SFTT AND CZBJ AND ABMZ AND ABHP
MATERIAL DOCUMENT AND CLASSIFICATION	AMS6322 ASSN STD SINGLE MATERIAL RESPONSE OR AAMS6323 ASSN STD 2ND MATERIAL RESPONSE OVERALL
DIAMETER	7.070 INCHES MINIMUM AND 7.090 INCHES MAXIMUM IN
OVERALL LENGTH	0.693 INCHES MINIMUM AND 0.695 INCHES MAXIMUM IN
ENGINE SECTION LOCATION	COMPRESSOR
SPECIAL FEATURES	T.O. 2J-J57-24, FIG 16, IND 18; USED ON THE J57-P-21B & 23B ENGINES; REAR ROTOR COMPRESSOR
SURFACE TREATMENT	CHROMIUM OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCY	ORIGINAL NAME PLATE,BEARING SEAL

SUBSTITUTES & CROSS-REFERENCES 1

346738Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)

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FREQUENTLY ASKED QUESTIONS

What is 246738?

246738 is a SEAL,METALLIC,AIRCRAFT GAS TURBI.

What parts can replace 246738?

There is 1 known substitute for 246738: 346738. Substitute compatibility should be verified for your specific system.

What is the NSN for 246738?

246738 is cataloged in the U.S. Government catalog under NSN 2840-00-505-9305. This indicates validated use in U.S. government and defense supply chains.

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246738 — SEAL,METALLIC,AIRCRAFT GAS TURBI

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