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Technical Data Sheet
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4005498 ✓ 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 part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-237-9920, 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
4005498
NSN: 5310-00-237-9920
FSC: 5310
CAGE: 6N299 — AGCO CORP PARTS OPN (USA)
SPECIFICATIONS
Part Number4005498
NSN5310-00-237-9920
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4005498 · 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 12
5498Interchangeable
interchangeable cross-reference
interchangeable
K-3478Interchangeable
interchangeable cross-reference
interchangeable
GA52777Interchangeable
interchangeable cross-reference
interchangeable
8516221Interchangeable
interchangeable cross-reference
interchangeable
7037097Interchangeable
interchangeable cross-reference
interchangeable
5498-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4005498?
4005498 is a WASHER,FLAT.
What parts can replace 4005498?
There are 12 known substitutes for 4005498: 5498, K-3478, GA52777 and 9 more. Substitute compatibility should be verified for your specific system.
Is 4005498 still available?
4005498 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026