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KFN517DL-7 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

KFN517DL-7: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL COMP 630 OVERALL, nut_style: HEXAGON, nut_height: 0.565 INCHES MAXIMUM IN, lubrication: DRY FILM LUBRICANT, temp_rating: 450.0 FAHRENHEIT MAXIMUM DEGF, thread_class: 3B. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-693-2296, 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
KFN517DL-7
NSN: 5310-01-693-2296
FSC: 5310 — Nuts and Washers
CAGE: 15653 — HOWMET GLOBAL FASTENING SYSTEMS INC (USA)
SPECIFICATIONS
materialSTEEL COMP 630 OVERALL
nut_styleHEXAGON
nut_height0.565 INCHES MAXIMUM IN
lubricationDRY FILM LUBRICANT
temp_rating450.0 FAHRENHEIT MAXIMUM DEGF
thread_class3B
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
locking_featureSELF-LOCKING
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_across_flats0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
nominal_thread_size0.4375 INCHES IN
NSN5310-01-693-2296
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: KFN517DL-7 · 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
•
LUBRICATION: DRY FILM LUBRICANT
•
WIDTH ACROSS FLATS: 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
•
THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)
•
TEMP RATING: 450.0 FAHRENHEIT MAXIMUM DEGF
•
NUT COUNTERBORE DEPTH: 0.132 INCHES MINIMUM AND 0.142 INCHES MAXIMUM WASHER IN
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.4375 INCHES IN
•
COUNTERBORE DIAMETER: 0.472 INCHES MINIMUM AND 0.476 INCHES MAXIMUM BASE IN
TECHNICAL CHARACTERISTICS
LUBRICATIONDRY FILM LUBRICANT
WIDTH ACROSS FLATS0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)
TEMP RATING450.0 FAHRENHEIT MAXIMUM DEGF
NUT COUNTERBORE DEPTH0.132 INCHES MINIMUM AND 0.142 INCHES MAXIMUM WASHER IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.4375 INCHES IN
COUNTERBORE DIAMETER0.472 INCHES MINIMUM AND 0.476 INCHES MAXIMUM BASE IN
LOCKING FEATURESELF-LOCKING
NUT HEIGHT0.565 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
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 KFN517DL-7?
KFN517DL-7 is a NUT,SELF-LOCKING,HEXAGON.
What is the NSN for KFN517DL-7?
KFN517DL-7 is cataloged in the U.S. Government catalog under NSN 5310-01-693-2296. This indicates validated use in U.S. government and defense supply chains.
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