The 1554VAPL is an inner panel for Hammond 1554 and 1555 series enclosures in sizes VA, VAL and VB. It gives integrators, OEM engineers and panel builders a flat, removable steel plate to mount components, DIN hardware or circuit boards on inside the enclosure, so the build-out can be done on the bench and then installed as one piece. The manufacturer describes it as "1554VA/VB INNER PANEL".

The panel is made from 16ga galvanized steel (the series specification applies; the part page lists the material field as N/A). Installation hardware is included with the panel.

According to the part drawing, the 1554VAPL measures 226.82 mm (8.93 in) by 145.50 mm (5.73 in) overall, with a thickness of 1.50 mm (.06 in). Shipping weight is 0.88 lbs (0.40 kg).

Because installation hardware is included, the panel can go straight into a matching VA/VAL/VB size enclosure. If mounting screws are lost, Hammond lists 1591MM100 (pack of 100 screws) as the replacement screw for all sizes other than A and B. The panel is RoHS compliant and REACH compliant, is catalogued under product category Accessories with UNSPSC 39121301, and carries UPC 623980401560 for receiving and inventory matching.