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PartsTable / COMPONENT / 834440 ITEM 9
834440 ITEM 9 ✓ 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 LOCKNUT is a the manufacturer industrial component. Key specifications include end_item_identification: OHIO CLASS SSN (TRIDENT). This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-140-4992, 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
834440 ITEM 9
NSN: 5310-01-140-4992
FSC: 5310
CAGE: 26337 — PARKER-HANNIFIN CORPORATION DIV HYDRAULIC ACCUMULATOR DIVISION (USA)
SPECIFICATIONS
end_item_identificationOHIO CLASS SSN (TRIDENT)
NSN5310-01-140-4992
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 834440 ITEM 9 · 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
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONOHIO CLASS SSN (TRIDENT)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
500414Interchangeable
interchangeable cross-reference
interchangeable
SDBX2BDInterchangeable
interchangeable cross-reference
interchangeable
900414Interchangeable
interchangeable cross-reference
interchangeable
N1800-31CDInterchangeable
interchangeable cross-reference
interchangeable
176L129REV3PC5Interchangeable
interchangeable cross-reference
interchangeable
05004-0014Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 834440 ITEM 9?
834440 ITEM 9 is a LOCKNUT.
What parts can replace 834440 ITEM 9?
There are 9 known substitutes for 834440 ITEM 9: 500414, SDBX2BD, 900414 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 834440 ITEM 9?
834440 ITEM 9 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-140-4992. 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