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Technical Data Sheet
PartsTable / COMPONENT / M2184660
M2184660 ✓ 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

NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: STEEL CORROSION RESISTING OVERALL, nut_style: HEXAGON, lubrication: DRY FILM LUBRICANT, temp_rating: 550.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B, thread_series: UNIFIED NATIONAL COARSE (UNC). This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-845-2359, 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
M2184660
NSN: 5310-00-845-2359
FSC: 5310
CAGE: 1045G — AERO VODOCHODY A.S. (CZE)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
nut_styleHEXAGON
lubricationDRY FILM LUBRICANT
temp_rating550.0 FAHRENHEIT NOMINAL DEGF
thread_class3B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
overall_height0.103 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
locking_featurePREVAILING TORQUE ALL METAL DESIGN
thread_directionRIGHT-HAND
washer_thickness0.010 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
width_across_flats0.150 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN
NSN5310-00-845-2359
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: M2184660 · 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
KEY FEATURES
•
LUBRICATION: DRY FILM LUBRICANT
•
NOMINAL THREAD SIZE: 0.112 INCHES IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
WIDTH ACROSS FLATS: 0.150 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN
•
THREAD CLASS: 3B
•
THREAD QUANTITY PER INCH: 40
TECHNICAL CHARACTERISTICS (FLIS)
LUBRICATIONDRY FILM LUBRICANT
NOMINAL THREAD SIZE0.112 INCHES IN
MATERIALSTEEL CORROSION RESISTING OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
WIDTH ACROSS FLATS0.150 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN
OVERALL HEIGHT0.103 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
THREAD CLASS3B
THREAD QUANTITY PER INCH40
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
5M.3033.220.05Interchangeable
interchangeable cross-reference
interchangeable
MS35216-15Interchangeable
interchangeable cross-reference
interchangeable
2012736Interchangeable
interchangeable cross-reference
interchangeable
114-0436-002Interchangeable
interchangeable cross-reference
interchangeable
10088033Interchangeable
Same NIIN cross-reference
interchangeable
5310PL0733192Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M2184660?
M2184660 is a NUT,SELF-LOCKING,EXTENDED WASHER.
What parts can replace M2184660?
There are 13 known substitutes for M2184660: 5M.3033.220.05, MS35216-15, 2012736 and 10 more. Substitute compatibility should be verified for your specific system.
Is M2184660 still available?
M2184660 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