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PartsTable / COMPONENT / BB26286
BB26286 ✓ 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

NUT,SELF-LOCKING,SINGLE BALL SEA. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-053-7808, 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
BB26286
NSN: 5310-00-053-7808
FSC: 5310
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
Part NumberBB26286
NSN5310-00-053-7808
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: BB26286 · 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 34
72-2539-106Interchangeable
interchangeable cross-reference
interchangeable
2AP253Interchangeable
interchangeable cross-reference
interchangeable
150-411KPC266Interchangeable
interchangeable cross-reference
interchangeable
891322Interchangeable
interchangeable cross-reference
interchangeable
F400M00279Interchangeable
interchangeable cross-reference
interchangeable
CTF400M279Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BB26286?
BB26286 is a NUT,SELF-LOCKING,SINGLE BALL SEA.
What parts can replace BB26286?
There are 34 known substitutes for BB26286: 72-2539-106, 2AP253, 150-411KPC266 and 31 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BB26286?
BB26286 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-053-7808. 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