
The 1591UGY is the light gray, flame retardant 1591 Series enclosure in the square 120 x 120 x 59 mm (4.72 x 4.72 x 2.32 in) size, with no mounting flanges. It offers a broad board area in a low-profile box for electronics designers, integrators and hobbyists.
It is molded from easy-to-machine flame retardant ABS with a UL94 V-0 rating. Card guides molded into all side walls accept 1.5 mm (0.062") boards, ideal for vertical PCB mounting. Lap joint construction protects against dust and splashing water, and the design meets IP54.
Drawing dimensions: 120.00 x 120.00 x 59.00 mm overall, 113.54 x 113.54 x 54.90 mm inside, 49.90 mm guide height. M3 x 10 mm Phillips machine screws thread into pre-installed brass inserts to secure the lid, and light gray enclosures include nickel finish screws. Recommended cover screw torque is 35.5–42.5 ozf.in (25–30 cN.m).
The 1591UGY includes box, lid, 4 cover screws and brass inserts, ships in shrink wrap at 0.36 lbs (0.16 kg), and is RoHS and REACH compliant. The 1591UC clear polycarbonate lid and 1591Z card adaptors are available as accessories.
| Type | project box, general purpose |
| Colour | Light Gray |
| Series | 1591 Series – ABS Plastic Multipurpose Enclosures w/ Card Guides |
| Part Number | 1591UGY |
| Mounting Style | No mounting flanges |
| Enclosure Grade | Flame retardant ABS (standard version) |
| Long Description | enclosure - plastic |
| Short Description | ABS PLASTIC |
| Inside Width | 113.54 mm [4.470 in] |
| Inside Height | 54.90 mm [2.161 in] |
| Inside Length | 113.54 mm [4.470 in] |
| Size (L X W X H) | 4.72 in x 4.72 in x 2.32 in (120 mm x 120 mm x 59 mm) |
| Overall Width (Drawing) | 120.00 mm [4.724 in] |
| Overall Height (Drawing) | 59.00 mm [2.323 in] |
| Overall Length (Drawing) | 120.00 mm [4.724 in] |
| Nominal Size (L X W X Depth, Ordering Table) | 4.72 in (120 mm) x 4.72 in (120 mm) x 2.32 in (59 mm) |
| Clear Lid Accessory | 1591UC |
| Nylon Belt / Pocket Clip | 1599CLIP (black) or 1599CLIPGY (grey) |
| Replacement Cover Screws | 1591MS100 (nickel plated/silver) or 1591MS100BK (black), M3-0.5 x 10 mm, pack of 100 |
| UPC | 623980793948 |
| UNSPSC | 39121301 |
| Card Guides | Molded into all side walls; accept 1.5 mm (0.062") thick boards; ideally suited for vertical PCB mounting |
| Guide Depth | 1.00 mm [0.039 in] |
| Guide Width | 3.00 mm [0.118 in] |
| Guide Height | 49.90 mm [1.965 in] |
| Guide Slot Width | 2.06 mm [0.081 in] |
| Horizontal PCB Mounting | Optional PC board card adaptors 1591Z6 (6 pack), 1591Z50 (50 pack), 1591Z100 (100 pack), molded from flame retardant ABS; recommended PCB thickness 1.5–1.75 mm |
| Solid Models | Available in .stp or .x_t |
| Drawing Reference | 1591U (REV: 06.16.2023) |
| Packaging Type | shrink wrap |
| Shipping Weight | 0.36 lbs (0.16 kg) |
| Included | Box, lid, 4 cover screws and pre-installed brass inserts |
| Material | ABS Plastic (flame retardant ABS, FRABS) |
| Screw Finish | Nickel finish screws (light gray enclosures) |
| Lid Fastening | M3 x 10 mm Phillips machine screws (M3-0.5) threaded into pre-installed integral brass inserts |
| Machinability | Factory modification available (milling, drilling, printing) |
| Joint Construction | Lap joint – protects against access of dust and splashing water |
| Recommended Cover Screw Torque | 35.5–42.5 ozf.in (25–30 cN.m) |
| IP Rating | IP54 (designed to meet IP54) |
| Chemical Resistance | Avoid acetone, ketones, ethers, aromatic and chlorinated hydrocarbons, thread locking compounds, cutting/tapping fluid, strong solvents; use only plastic-safe cleaners |
| Flame Rating | UL94 V-0 |
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
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4.72 x 4.72 x 2.32 in (120 x 120 x 59 mm); inside 113.54 x 113.54 x 54.90 mm.
Yes, UL94 V-0 flame retardant ABS.
1591UC, a flame retardant polycarbonate lid made to fit 1591U enclosures.
1591USGY is the general purpose ABS gray version in this size.
Yes, with 1591Z card adaptors (packs of 6, 50 or 100).

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