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Technical Data Sheet
PartsTable / COMPONENT / FM-86520 PC NO 10
FM-86520 PC NO 10 ✓ 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 FM-86520 PC NO 10 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-132-1926, 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
FM-86520 PC NO 10
NSN: 5310-01-132-1926
FSC: 5310
CAGE: 50380 — RELIANCE ELECTRIC (USA)
SPECIFICATIONS
Part NumberFM-86520 PC NO 10
NSN5310-01-132-1926
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: FM-86520 PC NO 10 · 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 7
206071AInterchangeable
interchangeable cross-reference
interchangeable
20660Interchangeable
interchangeable cross-reference
interchangeable
AM504KInterchangeable
interchangeable cross-reference
interchangeable
150189Interchangeable
interchangeable cross-reference
interchangeable
11942Interchangeable
interchangeable cross-reference
interchangeable
801621-003 PIECE 20Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FM-86520 PC NO 10?
FM-86520 PC NO 10 is a FM-86520 PC NO 10.
What parts can replace FM-86520 PC NO 10?
There are 7 known substitutes for FM-86520 PC NO 10: 206071A, 20660, AM504K and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FM-86520 PC NO 10?
FM-86520 PC NO 10 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-132-1926. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026