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PartsTable / COMPONENT / 41-8405
41-8405 ✓ 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 CUSHIONING MATERIAL,PACKAGING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 0.125 INCHES NOMINAL IN, circle_diameter: 0.625 INCHES NOMINAL IN, style_designator: ROUND BOTTOM, starting_edge_shape: CHAMFERED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-628-0739, 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
41-8405
NSN: 5315-01-628-0739
FSC: 5315
CAGE: 6H404 — MIDWEST MOTOR SUPPLY CO. DBA MIDWEST MOTOR SUPPLY CO DIV KIMBALL MIDWEST (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.125 INCHES NOMINAL IN
circle_diameter0.625 INCHES NOMINAL IN
style_designatorROUND BOTTOM
starting_edge_shapeCHAMFERED
NSN5315-01-628-0739
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 41-8405 · 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
•
CIRCLE DIAMETER: 0.625 INCHES NOMINAL IN
•
STARTING EDGE SHAPE: CHAMFERED
•
THICKNESS: 0.125 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: ROUND BOTTOM
TECHNICAL CHARACTERISTICS (FLIS)
CIRCLE DIAMETER0.625 INCHES NOMINAL IN
STARTING EDGE SHAPECHAMFERED
THICKNESS0.125 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORROUND BOTTOM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
41-8305Interchangeable
interchangeable cross-reference
interchangeable
11B5190296-28Interchangeable
interchangeable cross-reference
interchangeable
11B5190296Interchangeable
interchangeable cross-reference
interchangeable
41-8404Interchangeable
interchangeable cross-reference
interchangeable
11B5190296-32Interchangeable
interchangeable cross-reference
interchangeable
41-8505Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 41-8405?
41-8405 is a CUSHIONING MATERIAL,PACKAGING.
What parts can replace 41-8405?
There are 22 known substitutes for 41-8405: 41-8305, 11B5190296-28, 11B5190296 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 41-8405?
41-8405 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-628-0739. 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