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EM518122 ✓ 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 5310-00-185-6425, 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
EM518122
NSN: 5310-00-185-6425
FSC: 5310
CAGE: 19899 — ELECTRIC MACHINERY DRESSER INDUSTRIES INC (USA)
SPECIFICATIONS
Part NumberEM518122
NSN5310-00-185-6425
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: EM518122 · 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 24
123112-1Interchangeable
interchangeable cross-reference
interchangeable
A361-20Interchangeable
interchangeable cross-reference
interchangeable
G440052-1Interchangeable
interchangeable cross-reference
interchangeable
610018P3Interchangeable
interchangeable cross-reference
interchangeable
CV9S5300-06PC136Interchangeable
interchangeable cross-reference
interchangeable
TD1330Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is EM518122?
EM518122 is a NUT,PLAIN,ROUND.
What parts can replace EM518122?
There are 24 known substitutes for EM518122: 123112-1, A361-20, G440052-1 and 21 more. Substitute compatibility should be verified for your specific system.
Is EM518122 still available?
EM518122 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