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Technical Data Sheet
PartsTable / COMPONENT / X207284PC66
X207284PC66 ✓ 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,ROUND is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-185-6358, 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
X207284PC66
NSN: 5310-00-185-6358
FSC: 5310
CAGE: 61208 — TWIN DISC, INCORPORATED DBA TWIN DISC MID-ATLANTIC (USA)
SPECIFICATIONS
Part NumberX207284PC66
NSN5310-00-185-6358
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: X207284PC66 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
B-5128Interchangeable
interchangeable cross-reference
interchangeable
T500Interchangeable
interchangeable cross-reference
interchangeable
TF512UInterchangeable
interchangeable cross-reference
interchangeable
26450AInterchangeable
interchangeable cross-reference
interchangeable
19727AInterchangeable
interchangeable cross-reference
interchangeable
178450Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is X207284PC66?
X207284PC66 is a NUT,PLAIN,ROUND.
What parts can replace X207284PC66?
There are 25 known substitutes for X207284PC66: B-5128, T500, TF512U and 22 more. Substitute compatibility should be verified for your specific system.
Is X207284PC66 still available?
X207284PC66 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