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PartsTable / COMPONENT / 86688H
86688H ✓ 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 KEY,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, flat_height: 0.219 INCHES NOMINAL IN, overall_width: 0.344 INCHES NOMINAL IN, overall_height: 0.250 INCHES NOMINAL IN, overall_length: 2.281 INCHES NOMINAL IN, style_designator: STEPPED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-271-4094, 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
86688H
NSN: 5315-00-271-4094
FSC: 5315
CAGE: 89346 — NAVISTAR INTL CORP TRUCK BR OHIO PLANT (USA)
SPECIFICATIONS
materialSTEEL OVERALL
flat_height0.219 INCHES NOMINAL IN
overall_width0.344 INCHES NOMINAL IN
overall_height0.250 INCHES NOMINAL IN
overall_length2.281 INCHES NOMINAL IN
style_designatorSTEPPED
first_flat_length1.797 INCHES NOMINAL IN
starting_edge_shapeSTRAIGHT
NSN5315-00-271-4094
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 86688H · 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: STEPPED
•
MATERIAL: STEEL OVERALL
•
STARTING EDGE SHAPE: STRAIGHT
•
FIRST FLAT LENGTH: 1.797 INCHES NOMINAL IN
•
FLAT HEIGHT: 0.219 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL HEIGHT0.250 INCHES NOMINAL IN
STYLE DESIGNATORSTEPPED
MATERIALSTEEL OVERALL
STARTING EDGE SHAPESTRAIGHT
FIRST FLAT LENGTH1.797 INCHES NOMINAL IN
OVERALL LENGTH2.281 INCHES NOMINAL IN
FLAT HEIGHT0.219 INCHES NOMINAL IN
OVERALL WIDTH0.344 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
SM-B-525440Interchangeable
interchangeable cross-reference
interchangeable
5869Interchangeable
interchangeable cross-reference
interchangeable
VR495Interchangeable
interchangeable cross-reference
interchangeable
005869Interchangeable
interchangeable cross-reference
interchangeable
1118426Interchangeable
interchangeable cross-reference
interchangeable
070063Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 86688H?
86688H is a KEY,MACHINE.
What parts can replace 86688H?
There are 20 known substitutes for 86688H: SM-B-525440, 5869, VR495 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 86688H?
86688H is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-271-4094. 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