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852563 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 0.438 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNF, thread_direction: RIGHT-HAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-276-3402, 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
852563
NSN: 5310-00-276-3402
FSC: 5310
CAGE: 12603 — CLARK EQUIPMENT CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.438 INCHES NOMINAL IN
thread_class3B
thread_seriesUNF
thread_directionRIGHT-HAND
countersink_angle90.0 DEGREES NOMINAL NUT
surface_treatmentCADMIUM OVERALL
width_across_flats0.688 INCHES NOMINAL IN
nominal_thread_size0.438 INCHES IN
bearing_surface_typeWASHER FACED
thread_quantity_per_inch20
NSN5310-00-276-3402
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 852563 · 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
•
THREAD SERIES: UNF
•
THREAD QUANTITY PER INCH: 20
•
NOMINAL THREAD SIZE: 0.438 INCHES IN
•
NUT HEIGHT: 0.438 INCHES NOMINAL IN
•
NUT STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH ACROSS FLATS: 0.688 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIESUNF
THREAD QUANTITY PER INCH20
NOMINAL THREAD SIZE0.438 INCHES IN
NUT HEIGHT0.438 INCHES NOMINAL IN
NUT STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH ACROSS FLATS0.688 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
THREAD CLASS3B
COUNTERSINK ANGLE90.0 DEGREES NOMINAL NUT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
S2017Interchangeable
interchangeable cross-reference
interchangeable
593-LXInterchangeable
interchangeable cross-reference
interchangeable
60-10-14Interchangeable
interchangeable cross-reference
interchangeable
803786-30Interchangeable
interchangeable cross-reference
interchangeable
84-000182Interchangeable
interchangeable cross-reference
interchangeable
52-017Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 852563?
852563 is a NUT,PLAIN,HEXAGON.
What parts can replace 852563?
There are 10 known substitutes for 852563: S2017, 593-LX, 60-10-14 and 7 more. Substitute compatibility should be verified for your specific system.
Is 852563 still available?
852563 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026