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MS51830, KN, KNC, NAS1394, RKKA > MS51830A - Miniature & Thinwall - 4140 Alloy - Inch

Keensert Inch & Mil-Spec Miniature & Thin Wall Inserts -  MS51830A Series Locking & Non-Locking - 4140 Alloy

Looking for 4140 Alloy Keenserts®?

We carry the MS51830A Miniature series in both locking and non-locking styles.

Stock sizes include 2-56 through 1/2-20 in 4140 Alloy.

Scroll down to find your size, or search by part number.

Add to Cart and buy online or email us for a custom quote.  Most popular products are in stock and ship within 24 hours.

Can't find what you're looking for? Email us at [email protected] for a custom quote. "We have the right screw for you" is our motto after all!
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MS51830A101 / KNCA0256JMXSY MS51830A101 / KNCA0256JMXSY Alt | 2-56 Keensert® 4140 Alloy
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MS51830A101L / KNCAL0256JMXSY MS51830A101L / KNCAL0256JMXSY Alt | 2-56 Keensert® 4140 Alloy
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MS51830A102 / KNCA0440JMXSY MS51830A102 / KNCA0440JMXSY Alt | 4-40 Keensert® 4140 Alloy
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MS51830A102L / KNCAL0440JMXSY MS51830A102L / KNCAL0440JMXSY Alt | 4-40 Keensert® 4140 Alloy
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MS51830A103 / KNC0632JMXSY MS51830A103 / KNC0632JMXSY Alt | 6-32 Keensert® 4140 Alloy
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MS51830A103L / KNCL0632JMXSY MS51830A103L / KNCL0632JMXSY Alt | 6-32 Keensert® 4140 Alloy
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MS51830A104 / KNCA0832JMXSY MS51830A104 / KNCA0832JMXSY Alt | 8-32 Keensert® 4140 Alloy
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MS51830A104L / KNCAL0832JMXSY MS51830A104L / KNCAL0832JMXSY Alt | 8-32 Keensert® 4140 Alloy
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MS51830A105 / KN1024JMXSY MS51830A105 / KN1024JMXSY Alt | 10/24 Keensert® 4140 Alloy
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MS51830A105L / KNL1024JMXSY MS51830A105L / KNL1024JMXSY Alt | 10-24 Keensert® 4140 Alloy
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MS51830A106 / KN420JMXSY MS51830A106 / KN420JMXSY Alt | 1/4-20 Keensert® 4140 Alloy
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MS51830A106L / KNL420JMXSY MS51830A106L / KNL420JMXSY Alt | 1/4-20 Keensert® 4140 Alloy
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MS51830A107 / KN518JMXSY MS51830A107 / KN518JMXSY Alt | 5/16-18 Keensert® 4140 Alloy
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MS51830A107L / KNL518JMXSY MS51830A107L / KNL518JMXSY Alt | 5/16-18 Keensert® 4140 Alloy
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MS51830A108 / KN616JMXSY MS51830A108 / KN616JMXSY Alt | 3/8-16 Keensert® 4140 Alloy
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MS51830A108L / KNL616JMXSY MS51830A108L / KNL616JMXSY Alt | 3/8-16 Keensert® 4140 Alloy
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MS51830A109 / KN714JMXSY MS51830A109 / KN714JMXSY Alt | 7/16-14 Keensert® 4140 Alloy
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MS51830A109L / KNL714JMXSY MS51830A109L / KNL714JMXSY Alt | 7/16-14 Keensert® 4140 Alloy
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MS51830A110 / KN813JMXSY MS51830A110 / KN813JMXSY Alt | 1/2-13 Keensert® 4140 Alloy
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MS51830A110L / KNL813JMXSY MS51830A110L / KNL813JMXSY Alt | 1/2-13 Keensert® 4140 Alloy
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MS51830A201 / KN1032JMX** MS51830A201 / NAS1394-3 / KN1032JMX** Alt | 10-32 Keensert® 4140 Alloy
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MS51830A201L / KNL1032JMX** MS51830A201L / NAS1394-3L / KNL1032JMX** Alt | 10-32 Keensert® 4140 Alloy
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MS51830A202 / KN428JMX** MS51830A202 / NAS1394-4 / KN428JMX** Alt | 1/4-28 Keensert® 4140 Alloy
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MS51830A202L / KNL428JMX** MS51830A202L / NAS1394-4L / KNL428JMX** Alt | 1/4-28 Keensert® 4140 Alloy
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MS51830A203 / KN524JMX** MS51830A203 / NAS1394-5 / KN524JMX** Alt | 5/16-24 Keensert® 4140 Alloy
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MS51830A203L / KNL524JMX** MS51830A203L / NAS1394-5L / KNL524JMX** Alt | 5/16-24 Keensert® 4140 Alloy
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MS51830A204 / KN624JMX** MS51830A204 / NAS1394-6 / KN624JMX** Alt | 3/8-24 Keensert® 4140 Alloy
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MS51830A204L / KNL624JMX** MS51830A204L / NAS1394-6L / KNL624JMX** Alt | 3/8-24 Keensert® 4140 Alloy
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MS51830A205 / KN720JMX** MS51830A205 / NAS1394-7 / KN720JMX** Alt | 7/16-20 Keensert® 4140 Alloy
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MS51830A205L / KNL720JMX** MS51830A205L / NAS1394-7L / KNL720JMX** Alt | 7/16-20 Keensert® 4140 Alloy
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MS51830A206 / KN820JMX** MS51830A206 / NAS1394-8 / KN820JMX** Alt | 1/2-20 Keensert® 4140 Alloy
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MS51830A206L / KNL820JMX** MS51830A206L / NAS1394-8L / KNL820JMX** Alt | 1/2-20 Keensert® 4140 Alloy
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NAS1394-08 / KN0832JMXSZ NAS1394-08 / KN0832JMXSZ | 8-32 Keensert® 4140 Alloy
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NAS1394-08L / KNL0832JMXSZ NAS1394-08L / KNL0832JMXSZ | 8-32 Keensert® 4140 Alloy
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