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Technical Data Sheet
PartsTable / COMPONENT / 3001066-140N
3001066-140N ✓ 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 product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-685-6989, 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
3001066-140N
NSN: 5310-01-685-6989
FSC: 5310
CAGE: 80212 — BAE SYSTEMS LAND & ARMAMENTS L.P. (USA)
SPECIFICATIONS
Part Number3001066-140N
NSN5310-01-685-6989
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3001066-140N · 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 5
30010-6Interchangeable
interchangeable cross-reference
interchangeable
125814Interchangeable
interchangeable cross-reference
interchangeable
00-106Interchangeable
interchangeable cross-reference
interchangeable
BB52660Interchangeable
interchangeable cross-reference
interchangeable
30-106Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3001066-140N?
3001066-140N is a WASHER,FLAT.
What parts can replace 3001066-140N?
There are 5 known substitutes for 3001066-140N: 30010-6, 125814, 00-106 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3001066-140N?
3001066-140N is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-685-6989. 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