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PartsTable / COMPONENT / WALH8-3
WALH8-3 ✓ 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,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 0.516 INCHES NOMINAL IN, outside_diameter: 0.873 INCHES NOMINAL IN, style_designator: SPLIT HELICAL-RIGHT HAND, surface_treatment: CADMIUM OVERALL, material_thickness: 0.155 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-031-2673, 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
WALH8-3
NSN: 5310-00-031-2673
FSC: 5310
CAGE: 78500 — MERITOR HEAVY VEHICLE SYSTEMS, LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.516 INCHES NOMINAL IN
outside_diameter0.873 INCHES NOMINAL IN
style_designatorSPLIT HELICAL-RIGHT HAND
surface_treatmentCADMIUM OVERALL
material_thickness0.155 INCHES NOMINAL IN
NSN5310-00-031-2673
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: WALH8-3 · 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
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
SURFACE TREATMENT: CADMIUM OVERALL
•
HOLE DIAMETER: 0.516 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.155 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
OUTSIDE DIAMETER: 0.873 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
SURFACE TREATMENTCADMIUM OVERALL
HOLE DIAMETER0.516 INCHES NOMINAL IN
MATERIAL THICKNESS0.155 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
OUTSIDE DIAMETER0.873 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
103329Interchangeable
interchangeable cross-reference
interchangeable
BB4105Interchangeable
interchangeable cross-reference
interchangeable
8-75-19Interchangeable
interchangeable cross-reference
interchangeable
WA48 REEDInterchangeable
interchangeable cross-reference
interchangeable
WA48Interchangeable
interchangeable cross-reference
interchangeable
02080Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is WALH8-3?
WALH8-3 is a WASHER,LOCK.
What parts can replace WALH8-3?
There are 7 known substitutes for WALH8-3: 103329, BB4105, 8-75-19 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for WALH8-3?
WALH8-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-031-2673. 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