112.40 27.00 [4.425] [1.063] 102.10 INSIDE [4.020] HEIGHT A 50.50 55.45 [1.988] [2.183] B B 60.50 INSIDE [2.382] WIDTH A 31.00 [1.220] TOP VIEW SECTION A-A END VIEW 2.00 6.00 [.079] [.236] 4X 6-32 UNC  11.00 Enclosures can be Factory Modified ( Milling, Drilling, Printing etc.) Contact Factory mjm@hammondmfg.com for quotes  3.50  3.00 Solid models of this enclosure available in STEP or IGES. (Part number and text placement/orientation on our products are subject to change, we do not recommend using them as a locating reference for modification purposes) 27.00 107.58 NOTE [1.063] [4.235] Purchased assembly includes box, lid and 4 cover screws. Box and lid are made from Diecast Aluminum Alloy. 56.50 44.50 Silicone Gasket supplied with liquid resistant enclosure. [2.224] [1.752] Recommended Torque: 50-55 cN.m [71-78 ozf.in] 2.00 [.079] 107.05 Recommended Torque with Gasket : 25-30 cN.m [36-43 ozf.in] [4.215] PART NUMBERS INSIDE LENGTH 1590B Enclosure SECTION B-B Natural Finish Enclosure 1590B 96.10 Black Textured Enclosure 1590BBK SIDE VIEW [3.783] 1590B Liquid Resistant Enclosure (Silicone Gasket) Natural Finish Enclosure 1590WB INSIDE BOX Black Textured Enclosure 1590WBBK ACCESSORIES 102.10 4X 4.00 Liquid Resistant Cover Screws 2.00 [4.020] [.157] [.079] Stainless Steel Cover Screws (Pkg 100) 1590WMS100 [6-32 x 1/2" With O-Ring] Black Stainless Steel Cover Screws (Pkg 100) 1590WMS100BK [6-32 x 1/2" With O-Ring] 50.50 4.19 Standard Cover Screws [.165] 52.06 [1.988] Plated Cover Screws (Pkg 100) 1590MS100 [2.050] [6-32 x 1/2"] 103.46 Black Cover Screws (Pkg 100) [4.073] [6-32 x 1/2"] 1590MS100BK 4.00 ® [.157] 1590B INSIDE LID Dimensions: mm [inches] www.hammondmfg.com