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41840-3 — CUSHIONING MATERIAL,PACKAGING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

41840-3: CUSHIONING MATERIAL,PACKAGING.

The CUSHIONING MATERIAL,PACKAGING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 0.125 INCHES NOMINAL IN, circle_diameter: 0.375 INCHES NOMINAL IN, style_designator: ROUND BOTTOM, end_item_identification: TOOLS, part_name_assigned_by_controlling_agency: KEY WOODRUFF. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-627-9607, 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
41840-3
NSN: 5315-01-627-9607
NIINs: 016279607, 016812138
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 6H404 — MIDWEST MOTOR SUPPLY CO. DBA MIDWEST MOTOR SUPPLY CO DIV KIMBALL MIDWEST (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.125 INCHES NOMINAL IN
circle_diameter0.375 INCHES NOMINAL IN
style_designatorROUND BOTTOM
end_item_identificationTOOLS
part_name_assigned_by_controlling_agencyKEY WOODRUFF
NSN5315-01-627-9607
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 41840-3 · 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: ROUND BOTTOM
•
CIRCLE DIAMETER: 0.375 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
THICKNESS: 0.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORROUND BOTTOM
CIRCLE DIAMETER0.375 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYKEY WOODRUFF
END ITEM IDENTIFICATIONTOOLS
MATERIALSTEEL OVERALL
THICKNESS0.125 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
11B5190296-24Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 41840-3?
41840-3 is a CUSHIONING MATERIAL,PACKAGING.
What parts can replace 41840-3?
There is 1 known substitute for 41840-3: 11B5190296-24. Substitute compatibility should be verified for your specific system.
What is the NSN for 41840-3?
41840-3 is cataloged in the U.S. Government catalog under NSN 5315-01-627-9607. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.