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Technical Data Sheet
PartsTable / COMPONENT / 6266-0057 REV A PART NO. 8
6266-0057 REV A PART NO. 8 ✓ 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 6266-0057 REV A PART NO. 8 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 5310-01-692-6750, 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
6266-0057 REV A PART NO. 8
NSN: 5310-01-692-6750
FSC: 5310
CAGE: 30263 — PIMA VALVE, LLC (USA)
SPECIFICATIONS
Part Number6266-0057 REV A PART NO. 8
NSN5310-01-692-6750
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 6266-0057 REV A PART NO. 8 · 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 3
B162Interchangeable
interchangeable cross-reference
interchangeable
6266-0057 REV AInterchangeable
interchangeable cross-reference
interchangeable
C610999132Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6266-0057 REV A PART NO. 8?
6266-0057 REV A PART NO. 8 is a 6266-0057 REV A PART NO. 8.
What parts can replace 6266-0057 REV A PART NO. 8?
There are 3 known substitutes for 6266-0057 REV A PART NO. 8: B162, 6266-0057 REV A, C610999132. Substitute compatibility should be verified for your specific system.
What is the NSN for 6266-0057 REV A PART NO. 8?
6266-0057 REV A PART NO. 8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-692-6750. 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