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PartsTable / COMPONENT / MIL206001
MIL206001 ✓ 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,HEXAGON is a the manufacturer industrial component. Key specifications include material: COPPER AND ZINC OVERALL, nut_style: HEXAGON, nut_height: 0.062 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNEF, thread_direction: RIGHT-HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-667-4399, 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
MIL206001
NSN: 5310-01-667-4399
FSC: 5310
CAGE: 3WRY5 — AIRGAS USA, LLC (USA)
SPECIFICATIONS
materialCOPPER AND ZINC OVERALL
nut_styleHEXAGON
nut_height0.062 INCHES NOMINAL IN
thread_class2B
thread_seriesUNEF
thread_directionRIGHT-HAND
surface_treatmentNICKEL OVERALL
width_across_flats0.375 INCHES NOMINAL IN
nominal_thread_size0.250 INCHES IN
bearing_surface_typeFLAT
end_item_identification4940-01-615-9020;WELDING SHOP,MARINE CORPS TACTICAL
thread_quantity_per_inch32
NSN5310-01-667-4399
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MIL206001 · 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
•
WIDTH ACROSS FLATS: 0.375 INCHES NOMINAL IN
•
THREAD SERIES: UNEF
•
NUT STYLE: HEXAGON
•
NUT HEIGHT: 0.062 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 32
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH ACROSS FLATS0.375 INCHES NOMINAL IN
THREAD SERIESUNEF
NUT STYLEHEXAGON
NUT HEIGHT0.062 INCHES NOMINAL IN
END ITEM IDENTIFICATION4940-01-615-9020;WELDING SHOP,MARINE CORPS TACTICAL
THREAD QUANTITY PER INCH32
PART NAME ASSIGNED BY CONTROLLING AGENCYNUT,PLAIN,HEXAGON
THREAD DIRECTIONRIGHT-HAND
SURFACE TREATMENTNICKEL OVERALL
THREAD CLASS2B
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
A5GA6TInterchangeable
interchangeable cross-reference
interchangeable
87988Interchangeable
interchangeable cross-reference
interchangeable
206001Interchangeable
interchangeable cross-reference
interchangeable
R10000Interchangeable
interchangeable cross-reference
interchangeable
62600AInterchangeable
interchangeable cross-reference
interchangeable
62600Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL206001?
MIL206001 is a NUT,PLAIN,HEXAGON.
What parts can replace MIL206001?
There are 12 known substitutes for MIL206001: A5GA6T, 87988, 206001 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL206001?
MIL206001 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-667-4399. 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