Miniature & Thinwall Metric Keensert® Style Key Locking Inserts in 4140 Alloy Steel – NA0146 & NA0148 – KNM-MX & KNCM-MX Series

Looking for KNM-MX & KNCM-MX Miniature & Thin Wall Metric Key Locking Inserts (NA0146 & NA0148)?

The metric Keensert® style key locking inserts Miniature (KNCM-MX) and Thinwall (KNM-MX) series, adhering to NA0146 and NA0148 standards, are distinguished by their construction from 4140 Alloy Steel, which offers exceptional toughness and high fatigue strength in thread reinforcement or repair. These threaded inserts are specifically designed for high-stress applications where additional load-bearing capacity is essential, particularly in demanding industries like aerospace, heavy machinery, and defense. The KNM-MX series is ideal for larger-scale, high-load applications such as aircraft engines, where both strength and durability are critical to maintaining performance under extreme mechanical stress. On the other hand, the KNCM-MX series is tailored for miniature applications where space is limited but high strength is still required, such as in precision aerospace components. Their compliance with NA0146 and NA0148 standards ensures that these inserts meet strict industry requirements for performance, reliability, and safety, making them suitable for mission-critical uses in environments where thread failure is not an option.

At MF Supply, we offer Miniature KNCM-MX and Thinwall KNM-MX metric Keensert® style key locking inserts — adhering to standards NA0146 & NA0148 — in both locking and non-locking styles, including major brands and equivalents to Acme, Alcoa, Camloc, Clarendon, Fairchild, Kaynar, Microdot and Tridair Keenserts®, & Keyserts. Our mil-spec and certified products are DFAR compliant with COC and full certifications available upon request.

Stock sizes include M2 through M12 in 4140 Alloy Steel.

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