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PartsTable / COMPONENT / 196506D0
196506D0 ✓ 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,SELF-LOCKING,HEXAGON 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 5310-01-633-9353, 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
196506D0
NSN: 5310-01-633-9353
FSC: 5310
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
Part Number196506D0
NSN5310-01-633-9353
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 196506D0 · 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 15
S8023Interchangeable
interchangeable cross-reference
interchangeable
FC5106Interchangeable
interchangeable cross-reference
interchangeable
31313Interchangeable
interchangeable cross-reference
interchangeable
196506Interchangeable
interchangeable cross-reference
interchangeable
281744-0004 ITEM 91Interchangeable
interchangeable cross-reference
interchangeable
965Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 196506D0?
196506D0 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace 196506D0?
There are 15 known substitutes for 196506D0: S8023, FC5106, 31313 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 196506D0?
196506D0 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-633-9353. 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