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230748 — SUPPORT,BEARING,AIRCRAFT GAS TUR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

230748: SUPPORT,BEARING,AIRCRAFT GAS TUR.

SUPPORT,BEARING,AIRCRAFT GAS TUR. Key specifications include material: STEEL, overall_length: 3.810 INCHES NOMINAL IN, inside_diameter: 9.180 INCHES MINIMUM AND 9.200 INCHES MAXIMUM IN, outside_diameter: 19.617 INCHES MINIMUM AND 19.620 INCHES MAXIMUM IN, mounting_hole_diameter: 0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN, mounting_hole_quantity: 72. This part is cataloged in the U.S.

Government catalog under NSN 2840-00-040-2648, 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
230748
NSN: 2840-00-040-2648
FSC: 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL
overall_length3.810 INCHES NOMINAL IN
inside_diameter9.180 INCHES MINIMUM AND 9.200 INCHES MAXIMUM IN
outside_diameter19.617 INCHES MINIMUM AND 19.620 INCHES MAXIMUM IN
mounting_hole_diameter0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN
mounting_hole_quantity72
end_item_identificationACFT ENG J57
criticality_code_justificationAGAV
material_document_and_classificationAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE
NSN2840-00-040-2648
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SUPPORT,BEARING,AIRCRAFT GAS TUR TITLE COMPONENT PN 230748 MFR SUPPORT,BEARING,AIRCRA
KEY FEATURES
•
MOUNTING HOLE QUANTITY: 72
•
CRITICALITY CODE JUSTIFICATION: AGAV
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE
•
MOUNTING HOLE DIAMETER: 0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 19.617 INCHES MINIMUM AND 19.620 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 9.180 INCHES MINIMUM AND 9.200 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY72
CRITICALITY CODE JUSTIFICATIONAGAV
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE
MOUNTING HOLE DIAMETER0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN
OVERALL LENGTH3.810 INCHES NOMINAL IN
OUTSIDE DIAMETER19.617 INCHES MINIMUM AND 19.620 INCHES MAXIMUM IN
INSIDE DIAMETER9.180 INCHES MINIMUM AND 9.200 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONACFT ENG J57
MATERIALSTEEL
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.
2840-00-000-0048 2840-00-000-0049 2840-00-001-1741 2840-00-001-1743 2840-00-001-2117 2840-00-001-2284 2840-00-001-3922 2840-00-001-4903
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 230748?
230748 is a SUPPORT,BEARING,AIRCRAFT GAS TUR.
What is the NSN for 230748?
230748 is cataloged in the U.S. Government catalog under NSN 2840-00-040-2648. 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.