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Technical Data Sheet
PartsTable / COMPONENT / 31-2-15-53
31-2-15-53 ✓ 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,SPLIT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 1.312 INCHES NOMINAL IN, outside_diameter: 1.688 INCHES NOMINAL IN, style_designator: SPLIT, material_thickness: 0.031 INCHES NOMINAL IN, distance_across_split_opening: 0.062 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-528-3723, 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
31-2-15-53
NSN: 5310-00-528-3723
FSC: 5310
CAGE: 72447 — DANA COMMERCIAL VEHICLE MANUFACTURING, LLC DBA DANA COMMERCIAL VEHICLE PRODUCTS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter1.312 INCHES NOMINAL IN
outside_diameter1.688 INCHES NOMINAL IN
style_designatorSPLIT
material_thickness0.031 INCHES NOMINAL IN
distance_across_split_opening0.062 INCHES NOMINAL IN
NSN5310-00-528-3723
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 31-2-15-53 · 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
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: SPLIT
•
MATERIAL THICKNESS: 0.031 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 1.688 INCHES NOMINAL IN
•
HOLE DIAMETER: 1.312 INCHES NOMINAL IN
•
DISTANCE ACROSS SPLIT OPENING: 0.062 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
STYLE DESIGNATORSPLIT
MATERIAL THICKNESS0.031 INCHES NOMINAL IN
OUTSIDE DIAMETER1.688 INCHES NOMINAL IN
HOLE DIAMETER1.312 INCHES NOMINAL IN
DISTANCE ACROSS SPLIT OPENING0.062 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
17187Interchangeable
interchangeable cross-reference
interchangeable
105Z45Interchangeable
interchangeable cross-reference
interchangeable
A17187Interchangeable
interchangeable cross-reference
interchangeable
100718Interchangeable
interchangeable cross-reference
interchangeable
989110-5BInterchangeable
interchangeable cross-reference
interchangeable
85588Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 31-2-15-53?
31-2-15-53 is a WASHER,SPLIT.
What parts can replace 31-2-15-53?
There are 18 known substitutes for 31-2-15-53: 17187, 105Z45, A17187 and 15 more. Substitute compatibility should be verified for your specific system.
Is 31-2-15-53 still available?
31-2-15-53 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026