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PartsTable / COMPONENT / W0855-0103
W0855-0103 ✓ 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,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OR STEEL COMP 410 OVERALL, hole_diameter: 0.642 INCHES MINIMUM AND 0.647 INCHES MAXIMUM IN, overall_height: 0.055 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN, outside_diameter: 0.870 INCHES MAXIMUM IN, material_thickness: 0.009 INCHES MINIMUM AND 0.011 INCHES MAXIMUM 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 5310-00-499-3471, 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
W0855-0103
NSN: 5310-00-499-3471
FSC: 5310
CAGE: 70472 — BARNES GROUP INC (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OR STEEL COMP 410 OVERALL
hole_diameter0.642 INCHES MINIMUM AND 0.647 INCHES MAXIMUM IN
overall_height0.055 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
outside_diameter0.870 INCHES MAXIMUM IN
material_thickness0.009 INCHES MINIMUM AND 0.011 INCHES MAXIMUM IN
NSN5310-00-499-3471
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: W0855-0103 · 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
•
HOLE DIAMETER: 0.642 INCHES MINIMUM AND 0.647 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 302 OR STEEL COMP 410 OVERALL
•
OUTSIDE DIAMETER: 0.870 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.009 INCHES MINIMUM AND 0.011 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.642 INCHES MINIMUM AND 0.647 INCHES MAXIMUM IN
MATERIALSTEEL COMP 302 OR STEEL COMP 410 OVERALL
OVERALL HEIGHT0.055 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.870 INCHES MAXIMUM IN
MATERIAL THICKNESS0.009 INCHES MINIMUM AND 0.011 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
58838Interchangeable
interchangeable cross-reference
interchangeable
SUN58838Interchangeable
interchangeable cross-reference
interchangeable
W0855-010-SInterchangeable
Same NIIN cross-reference
interchangeable
WAV2800-500Interchangeable
Same NIIN cross-reference
interchangeable
W0855-0108Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is W0855-0103?
W0855-0103 is a WASHER,SPRING TENSION.
What parts can replace W0855-0103?
There are 5 known substitutes for W0855-0103: 58838, SUN58838, W0855-010-S and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for W0855-0103?
W0855-0103 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-499-3471. 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