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Warning: Products have one, but not necessarily all, of the selected characteristics.
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 | Nylon Insert |
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 | Standard |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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About Nuts, Materials, and Finishes
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Mil. Spec. Low-Strength Steel Nylon-Insert Locknuts
Choose these locknuts for their adherence to strict military standards for material and construction. The nylon insert grips the bolt to resist loosening without damaging threads. These locknuts are reusable, but their holding power lessens with each use. A cadmium yellow-chromate plating provides corrosion resistance in wet environments and adds lubricity so they thread on smoothly.
For technical drawings and 3-D models, click on a part number.
| Thread Size | Wd. | Ht. | Insert Max. Temp., °F | Specifications Met | Pkg. Qty. | Pkg. | |
Cadmium Yellow-Chromate Plated Steel | |||||||
|---|---|---|---|---|---|---|---|
| 4-40 | 1/4" | 5/32" | 250° | MS21044-N04 | 10 | 000000000 | 00000 |