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Technical Data Sheet
PartsTable / COMPONENT / Y028 793 04
Y028 793 04 ✓ 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 5310-00-286-4260, 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
Y028 793 04
NSN: 5310-00-286-4260
FSC: 5310
CAGE: U0747 — PACCAR PARTS U.K. LIMITED (GBR)
SPECIFICATIONS
Part NumberY028 793 04
NSN5310-00-286-4260
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: Y028 793 04 · 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 7
376C402G01Interchangeable
interchangeable cross-reference
interchangeable
72-2216Interchangeable
interchangeable cross-reference
interchangeable
41689Interchangeable
interchangeable cross-reference
interchangeable
14749Interchangeable
interchangeable cross-reference
interchangeable
697768-1Interchangeable
interchangeable cross-reference
interchangeable
12353Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is Y028 793 04?
Y028 793 04 is a WASHER,FLAT.
What parts can replace Y028 793 04?
There are 7 known substitutes for Y028 793 04: 376C402G01, 72-2216, 41689 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for Y028 793 04?
Y028 793 04 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-286-4260. 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