The 1457MS100 is a 100-pack of replacement end panel screws with o-rings for Hammond 1457 and 1457EMI series enclosures. The part page describes it as "1457 Screws BK w/ O-Ring Combo", and the hardware list gives the description #6-32 x 1/2 screws with o-ring, black.

The drawing specifies each screw as steel with a black zinc plating and a Taptite #6-32 x 0.500" tri-lobular thread. The head is a #2 drive Phillips pan head, and each screw is paired with a red silicone rubber o-ring. Drawing dimensions show a head diameter of 6.35 mm [0.250 in], a head height of 2.37 mm [0.093 in] and a length of 12.70 mm [0.500 in].

• Quantity: 100 per package, supplied in a bag
• Screw: steel, black zinc plated, Taptite #6-32 x 0.500"
• Head: #2 drive Phillips pan head
• O-ring: red silicone rubber

The pack is intended for technicians and OEM builders replacing the end panel hardware on 1457 or 1457EMI enclosures, where the screws are supplied together with o-rings. Enclosures generally ship with all the hardware needed for assembly, and the manufacturer cautions that hardware packs may not suit every part in the listed series, so confirm on the enclosure's "Replacement Parts and Accessories" list.

The 1457MS100 is classed as hardware, type screws, weighs 0.22 lbs (0.10 kg) for shipping and is RoHS and REACH compliant.