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677407 — FLANGE,DIFFUSER CASE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

677407: FLANGE,DIFFUSER CASE.

The FLANGE,DIFFUSER CASE is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: STEEL,AMS 5613; 31.800 IN. OD; 30.000 IN.

ID; 0.530 IN. WIDE; ONE SHOULDER OF ID MODIFIED IN. This part is cataloged in the U.S.

Government catalog under NSN 2840-01-010-7039, 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
677407
NSN: 2840-01-010-7039
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_descriptionSTEEL,AMS 5613; 31.800 IN. OD; 30.000 IN. ID; 0.530 IN. WIDE; ONE SHOULDER OF ID MODIFIED IN
NSN2840-01-010-7039
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FLANGE,DIFFUSER CASE TITLE COMPONENT PN 677407 MFR FLANGE,DIFFUSER CASE
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL,AMS 5613; 31.800 IN. OD; 30.000 IN. ID; 0.530 IN. WIDE; ONE SHOULDER OF ID MODIFIED IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL,AMS 5613; 31.800 IN. OD; 30.000 IN. ID; 0.530 IN. WIDE; ONE SHOULDER OF ID MODIFIED 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.
2840-00-000-0048 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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 677407?
677407 is a FLANGE,DIFFUSER CASE.
What is the NSN for 677407?
677407 is cataloged in the U.S. Government catalog under NSN 2840-01-010-7039. 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.