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Technical Data Sheet
PartsTable / COMPONENT / 102B5523
102B5523 ✓ 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 WASHER,FLAT is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-531-9515, 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
102B5523
NSN: 5310-00-531-9515
FSC: 5310
CAGE: 97993 — GENERAL DYNAMICS DEFENSE SYSTEMS INC. DBA GENERAL DYNAMICS ADVANCED INFORMATION SYSTEMS (USA)
SPECIFICATIONS
Part Number102B5523
NSN5310-00-531-9515
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 102B5523 · 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 27
186476Interchangeable
interchangeable cross-reference
interchangeable
8446-22Interchangeable
interchangeable cross-reference
interchangeable
63661Interchangeable
interchangeable cross-reference
interchangeable
6158136Interchangeable
interchangeable cross-reference
interchangeable
5934ITEM2EInterchangeable
interchangeable cross-reference
interchangeable
89102W1ITEM14Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 102B5523?
102B5523 is a WASHER,FLAT.
What parts can replace 102B5523?
There are 27 known substitutes for 102B5523: 186476, 8446-22, 63661 and 24 more. Substitute compatibility should be verified for your specific system.
Is 102B5523 still available?
102B5523 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