MS21043-4 - NUT, SELF-LOCKING, EXTENDED WASHER

NSN: 5310-00-719-5570, NIIN: 7195570
New Surplus, Sold Per Each

A self-locking washer nut is a fastening device that combines a nut with a built-in locking mechanism to prevent it from loosening. It is typically used in applications where vibrations or movement could cause a standard nut to come loose, ensuring a secure and stable connection.

Specifications

Nut Style: Hexagon
Surface Treatment: Silver
Material: Iron Alloy
Overall Height: 0.205" Min - 0.219" Max
Washer Outside Diameter: 0.402" Min - 0.412" Max
Washer Thickness: 0.019" Min
Width Across Flats: 0.304" Min - 0.316" Max
Locking Feature: Prevailing Torque All Metal Design
Temperature Rating: 900.0° F Nom

Part Number Info

Part Number: MS21043-4
Unpunctuated: MS210434
NSN: 5310-00-719-5570
NIIN: 7195570

Potential Alternates: H43-4, 303852, R1160P04C, R1160P04B, R1160P04, R1160P04D, LH3858R048, 5310PL0145284, T4868C428, 55789-428H19, 961C460-5

Replaces Cancelled NSN: 5310-00-329-9296

New Surplus: These parts are classified as new and unused, meaning they have not been installed or placed into service. However, they come without traceability or original manufacturer certifications, which might be required for certain high-level regulatory uses. Our company provides its own Certificate of Conformance (CoC) as a statement of assurance that the parts are in good working condition and have been sourced from reliable channels. These are ideal when the focus is on cost-effectiveness without compromising on quality.

Sold Per Each: This item is sold individually, with the price listed for a single unit. Perfect for purchasing the exact quantity needed without the requirement to buy in bulk. For larger quantities, consider reviewing any available bulk pricing options.

Product Testing: Every product is inspected for accuracy, quality, and functionality before shipping to meet our high standards.

Alternate Part Numbers: Due to the nature of ever-evolving part numbering structure, multiple part numbers may meet the same specifications and performance standards. If only an alternate part number is available, we will contact you to confirm compatibility. We strongly recommend consulting the appropriate repair manuals to ensure accuracy before using an alternate part.

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