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Technical Data Sheet
PartsTable / COMPONENT / LPNUT12766
LPNUT12766 ✓ 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,SELF-LOCKING,HEXAGON 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 5310-01-647-7402, 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
LPNUT12766
NSN: 5310-01-647-7402
FSC: 5310
CAGE: 3R006 — OXLEY,INC. DBA OXLEY INC (USA)
SPECIFICATIONS
Part NumberLPNUT12766
NSN5310-01-647-7402
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: LPNUT12766 · 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 6
12766Interchangeable
interchangeable cross-reference
interchangeable
MAV01D03Interchangeable
interchangeable cross-reference
interchangeable
561719Interchangeable
interchangeable cross-reference
interchangeable
671201Interchangeable
interchangeable cross-reference
interchangeable
77610Interchangeable
interchangeable cross-reference
interchangeable
KK2205219Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LPNUT12766?
LPNUT12766 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace LPNUT12766?
There are 6 known substitutes for LPNUT12766: 12766, MAV01D03, 561719 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for LPNUT12766?
LPNUT12766 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-647-7402. 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