Mutual Screw & Supply

MS21044N06 | Mil-Spec Self-Locking Nuts (100 / Pkg.)

MS21044N06 | Mil-Spec Self-Locking Nuts (100 / Pkg.) - Main image
$9.71 $15.92 In stock

These self-locking nuts are well suited to securing fasteners against vibration loosening.

  • Applications: Securing fasteners against vibration loosening

Specifications

  • Product type: Self-Locking Nuts
  • Measurement type: Imperial
  • Pack quantity: 100 per package

Please note: This item is excess stock and is sold non-cancelable, non-refundable, and non-returnable. Please call us with any questions about this item before ordering.

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When it ships

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Delivery costs

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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Returning an item

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.6 / 5 · 5 reviews)

Samuel ★★★★★

Put these self-locking nuts on my lawn mower deck bolts and not a single one has backed off after a rough month of mowing. The locking action feels really positive when you tighten them down.

Robert ★★★★★

Finally got around to using these on my trailer fender bolts and they held tight after a bumpy 50-mile trip. The nylon insert really locks them down without needing Loctite.

Sophia ★★★★★

Used a handful of these on my mower deck where the constant shaking keeps loosening standard nuts, and the self-locking mechanism is already proving to hold tight. The fact that each nut has that built-in nylon insert to resist vibration is exactly what I needed for outdoor equipment.