This is a natural nylon standard hex nut designed for a thread size of 4-40. It features a width across flats of 6.4 mm (0.250 inches) and an overall height of 2.5 mm (0.100 inches).
You can click on the BUY or RFQ button to purchase 0400440HN from an authorized Essentra Components distributor.
You can download the 0400440HN datasheet or visit the Essentra Components website for support.
Essentra Components