PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 5B426
5B426 ✓ 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. Key specifications include material: CORK OVERALL, thickness: 0.156 INCHES NOMINAL IN, hole_diameter: 0.500 INCHES NOMINAL IN, overall_diameter: 0.688 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-423-9593, 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
5B426
NSN: 5310-00-423-9593
FSC: 5310
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialCORK OVERALL
thickness0.156 INCHES NOMINAL IN
hole_diameter0.500 INCHES NOMINAL IN
overall_diameter0.688 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-423-9593
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5B426 · 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
KEY FEATURES
•
OVERALL DIAMETER: 0.688 INCHES NOMINAL IN
•
THICKNESS: 0.156 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.500 INCHES NOMINAL IN
•
MATERIAL: CORK OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
CENTER HOLE SHAPE STYLE: ROUND
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER0.688 INCHES NOMINAL IN
THICKNESS0.156 INCHES NOMINAL IN
HOLE DIAMETER0.500 INCHES NOMINAL IN
MATERIALCORK OVERALL
PERIPHERAL SHAPE STYLEROUND
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
717-013015Interchangeable
interchangeable cross-reference
interchangeable
52607Interchangeable
interchangeable cross-reference
interchangeable
MST206Interchangeable
interchangeable cross-reference
interchangeable
1604-206YInterchangeable
interchangeable cross-reference
interchangeable
2049W22P004Interchangeable
interchangeable cross-reference
interchangeable
M206Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 5B426?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 5B426?
5B426 is a WASHER,FLAT.
What parts can replace 5B426?
There are 11 known substitutes for 5B426: 717-013015, 52607, MST206 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5B426?
5B426 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-423-9593. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 5B426

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026