Readers hoping to buy National Presto Industries, Inc. (NYSE:NPK) for its dividend will need to make their move shortly, as the stock is about to trade ex-dividend. The ex-dividend date is usually set to be one business day before the record date which is the cut-off date on which you must be present on the company's books as a shareholder in order to receive the dividend. The ex-dividend date is important because any transaction on a stock needs to have been settled before the record date in order to be eligible for a dividend. Meaning, you will need to purchase National Presto Industries' shares before the 29th of February to receive the dividend, which will be paid on the 15th of March.

The company's next dividend payment will be US$4.50 per share, and in the last 12 months, the company paid a total of US$4.00 per share. Calculating the last year's worth of payments shows that National Presto Industries has a trailing yield of 5.7% on the current share price of US$78.79. Dividends are an important source of income to many shareholders, but the health of the business is crucial to maintaining those dividends. So we need to check whether the dividend payments are covered, and if earnings are growing.

Dividends are typically paid from company earnings. If a company pays more in dividends than it earned in profit, then the dividend could be unsustainable. That's why it's good to see National Presto Industries paying out a modest 30% of its earnings. Yet cash flows are even more important than profits for assessing a dividend, so we need to see if the company generated enough cash to pay its distribution. The good news is it paid out just 18% of its free cash flow in the last year.

It's positive to see that National Presto Industries's dividend is covered by both profits and cash flow, since this is generally a sign that the dividend is sustainable, and a lower payout ratio usually suggests a greater margin of safety before the dividend gets cut.

Click here to see how much of its profit National Presto Industries paid out over the last 12 months.

Have Earnings And Dividends Been Growing?

Companies with falling earnings are riskier for dividend shareholders. If earnings fall far enough, the company could be forced to cut its dividend. Readers will understand then, why we're concerned to see National Presto Industries's earnings per share have dropped 12% a year over the past five years. Ultimately, when earnings per share decline, the size of the pie from which dividends can be paid, shrinks.

The main way most investors will assess a company's dividend prospects is by checking the historical rate of dividend growth. National Presto Industries's dividend payments per share have declined at 3.6% per year on average over the past 10 years, which is uninspiring. While it's not great that earnings and dividends per share have fallen in recent years, we're encouraged by the fact that management has trimmed the dividend rather than risk over-committing the company in a risky attempt to maintain yields to shareholders.

To Sum It Up

Is National Presto Industries worth buying for its dividend? National Presto Industries has comfortably low cash and profit payout ratios, which may mean the dividend is sustainable even in the face of a sharp decline in earnings per share. Still, we consider declining earnings to be a warning sign. Overall we're not hugely bearish on the stock, but there are likely better dividend investments out there.

So while National Presto Industries looks good from a dividend perspective, it's always worthwhile being up to date with the risks involved in this stock. To help with this, we've discovered 2 warning signs for National Presto Industries (1 makes us a bit uncomfortable!) that you ought to be aware of before buying the shares.

Generally, we wouldn't recommend just buying the first dividend stock you see. Here's a curated list of interesting stocks that are strong dividend payers.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.