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840686 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

840686: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, end_item_identification: FAIRLEAD, FIX, thread_quantity_per_inch: 18, part_name_assigned_by_controlling_agency: BEARING LOCK NUT. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-450-2944, 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
840686
NSN: 5310-01-450-2944
NIINs: 014502944, 016993477
FSC: 5310 — Nuts and Washers
CAGE: AD56N — AKTIEBOLAGET VOLVO PENTA (SWE)
SPECIFICATIONS
materialSTEEL OVERALL
end_item_identificationFAIRLEAD, FIX
thread_quantity_per_inch18
part_name_assigned_by_controlling_agencyBEARING LOCK NUT
NSN5310-01-450-2944
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 840686 · 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
SUBSTITUTES & CROSS-REFERENCES 1
840686-0Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 840686?
840686 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace 840686?
There is 1 known substitute for 840686: 840686-0. Substitute compatibility should be verified for your specific system.
What is the NSN for 840686?
840686 is cataloged in the U.S. Government catalog under NSN 5310-01-450-2944. This indicates validated use in U.S. government and defense supply chains.
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