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525487 — SEAL,TURBINE ENGINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

525487: SEAL,TURBINE ENGINE.

The SEAL,TURBINE ENGINE is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: GRAPHITIC CARBON,4.538 IN. IK,5.276 IN.

OD,0.391 IN. THK,USED ON TF30 ENGINE IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-270-8823, 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
525487
NSN: 5310-00-270-8823
NIINs: 002708823, 010215570
FSC: 5310 — Nuts and Washers
CAGE: 02978 — RENK AMERICA LLC DIV RENK AMERICA (USA)
SPECIFICATIONS
general_characteristics_item_descriptionGRAPHITIC CARBON,4.538 IN. IK,5.276 IN. OD,0.391 IN. THK,USED ON TF30 ENGINE IN
NSN5310-00-270-8823
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 525487 · 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
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INTERNAL PREBENT KEY WIDTH: 0.175 INCHES MINIMUM AND 0.175 INCHES MINIMUM AND 0.185 INCHES MAXIMUM0.185 INCHES MAXIMUM IN
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OVERALL DISTANCE INCLUDING KEYS: 3.062 INCHES NOMINAL3.062 INCHES NOMINAL IN
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STYLE DESIGNATOR: KEYKEY
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MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALLQQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
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OUTSIDE DIAMETER: 2.240 INCHES MINIMUM AND 2.240 INCHES MINIMUM AND 2.260 INCHES MAXIMUM2.260 INCHES MAXIMUM IN
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MATERIAL THICKNESS: 0.048 INCHES NOMINAL0.048 INCHES NOMINAL IN
•
EXTERNAL STRAIGHT KEY WIDTH: 0.380 INCHES NOMINAL0.380 INCHES NOMINAL IN
•
EXTERNAL KEY QUANTITY: 55
TECHNICAL CHARACTERISTICS
INTERNAL PREBENT KEY WIDTH0.175 INCHES MINIMUM AND 0.175 INCHES MINIMUM AND 0.185 INCHES MAXIMUM0.185 INCHES MAXIMUM IN
OVERALL DISTANCE INCLUDING KEYS3.062 INCHES NOMINAL3.062 INCHES NOMINAL IN
STYLE DESIGNATORKEYKEY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALLQQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER2.240 INCHES MINIMUM AND 2.240 INCHES MINIMUM AND 2.260 INCHES MAXIMUM2.260 INCHES MAXIMUM IN
MATERIAL THICKNESS0.048 INCHES NOMINAL0.048 INCHES NOMINAL IN
EXTERNAL STRAIGHT KEY WIDTH0.380 INCHES NOMINAL0.380 INCHES NOMINAL IN
EXTERNAL KEY QUANTITY55
INTERNAL PREBENT KEY LENGTH0.240 INCHES MINIMUM AND 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM0.260 INCHES MAXIMUM IN
SPECIAL FEATURESCONTAINS TWO PRE-BENT INTERNAL KEYS,LOCATED 180 DEGREES APARTCONTAINS TWO PRE-BENT INTERNAL KEYS,LOCATED 180 DEGREES APART
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 525487?
525487 is a SEAL,TURBINE ENGINE.
What is the NSN for 525487?
525487 is cataloged in the U.S. Government catalog under NSN 5310-00-270-8823. This indicates validated use in U.S. government and defense supply chains.
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