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522643 — SHIELD,HEAT,AIRCRAFT GAS TURBINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

522643: SHIELD,HEAT,AIRCRAFT GAS TURBINE.

SHIELD,HEAT,AIRCRAFT GAS TURBINE. Key specifications include diameter: 42.900 INCHES MINIMUM AND 43.020 INCHES MAXIMUM IN, end_item_identification: ACFT ENG TF33, engine_section_location: TURBINE, criticality_code_justification: AGAV. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-461-5658, 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
522643
NSN: 5315-00-461-5658
NIINs: 004615658, 011596841
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 09990 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV HYDRAULIC VALVE DIVISION (USA)
SPECIFICATIONS
diameter42.900 INCHES MINIMUM AND 43.020 INCHES MAXIMUM IN
end_item_identificationACFT ENG TF33
engine_section_locationTURBINE
criticality_code_justificationAGAV
NSN5315-00-461-5658
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 522643 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FIRST END STYLE: SQUARE
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
TECHNICAL CHARACTERISTICS
FIRST END STYLESQUARE
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
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 522643?
522643 is a SHIELD,HEAT,AIRCRAFT GAS TURBINE.
What is the NSN for 522643?
522643 is cataloged in the U.S. Government catalog under NSN 5315-00-461-5658. 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.