27 * 48 Compression Latches 108 Self-adjusting * Single hole mount * Two sizes available * Easy grip adjustment * Multiple head styles Material and Finish Steel, zinc plated or stainless steel A Gasket E B Performance Details Size A B C D E 27 Series Miniature 4.8 (.19) Maximum 10.3 (.41) Maximum 17.5 (.69) Maximum 31.8 (1.25) 13.9 (.55) 48 Series Small 4.8 (.19) Maximum 21 (.81) Maximum 19 (.75) Maximum 44 (1.73) 25.3 (.99) C 27: Maximum static load: 155 N (35 lbf) 48: Maximum static load: 220 N (50 lbf) D Nylon knob Knurled Slotted ACTUAL SIZE 27 Hex recess Phillips recess ACTUAL SIZE 48 27 Series * Miniature Material G Grip Range Knurled Slotted Hex Recess Nylon Knob 7.1 (.28) 27-99-123-10 * 27-10-501-10 * 27-10-701-10 * 27-10-311-10 * 7.1 (.28) 27-99-123-20 * 27-10-501-20 * 27-10-701-20 * 27-10-311-20 * Minimum Maximum Steel 0.8 (.03) Stainless steel 0.8 (.03) * all part numbers shown are for clockwise rotation. For specification and ordering details visit: www.southco.com 48 Series * Small Material Steel Other options available. For complete details on variety, part numbers, installation and specification, go to www.southco.com/27 www.southco.com/48 G Grip Range Minimum Maximum 2.4 (.09) 9.5 (.38) Nylon Knob Slotted Hex Recess Phillips Recess 48-10-401-10 48-11-R 48-81-R 48-91-R Steel 8.7 (.34) 15.9 (.63) 48-10-402-10 48-12-R 48-82-R 48-92-R Steel 15.1 (.59) 22.2 (.88) 48-10-403-10 48-13-R 48-83-R 48-93-R For specification and ordering details visit: www.southco.com Dimensions in millimeters (inch) unless otherwise stated 16 Compression Latch 77 Self-adjusting * Cam indicator * Knob actuated * Single hole mount Medium/Large ACTUAL SIZE SMALL Gasket A Small Material and Finish ACTUAL SIZE MEDIUM Steel, zinc plated E Performance Details B Small: Working load: 135 N (30 lbf) ACTUAL SIZE LARGE Medium: Working load: 220 N (50 lbf) C G Grip Range Size Small Medium Large * Three sizes available * Easy grip adjustment Part Number Min. Max. 3.2 (.12) 10.3 (.41) 16-10-511-16 1.6 (.06) 8.7 (.34) 16-10-411-14 7.1 (.28) 14.3 (.56) 16-10-412-14 1.6 (.06) 12.7 (.50) 16-10-311-14 9.5 (.37) 20.6 (.81) 16-10-312-14 Large: Working load: 335 N (75 lbf) D Size A. Max. B C D E Small 2.4 (.09) 9.9 (.39) 15.5 (.61) 18.3 (.72) 10 (.40) Medium 2.4 (.09) 13.5 (.53) 17.3 (.68) 23.4 (.92) 19 (.75) Large 4.8 (.190) 19 (.75) 21.8 (.86) 32.9 (1.3) 23 (.91) Other options available. For complete details on variety, part numbers, installation and specification, go to www.southco.com/16 43 * 44 * 14 Compression Latches Self-adjusting * Three hole mount 44 * Medium size series G Grip Range E * Three sizes available * Three hole installation * Easy grip adjustment D Min. Max. Knurled Head 3.2 (.12) 9.5 (.37) 44-1-1-0 44-1-16-0 9.5 (.37) 19.1 (.75) 44-1-2-0 44-1-17-0 19.1 (.75) 28.6 (1.12) 44-1-3-0 44-1-18-0 Steel, zinc plated or stainless steel 3.2 (.12) 9.5 (.37) 44-1-1-24 44-1-16-24 Performance Details 9.5 (.37) 19.1 (.75) 44-1-2-24 44-1-17-24 19.1 (.75) 28.6 (1.12) 44-1-3-24 44-1-18-24 Working Load: 43 Small: 330 N (75 lbf) Material Steel Stainless steel Slotted Head A ACTUAL SIZE SMALL F G B C Gasket ACTUAL SIZE LARGE 44 Medium: 490 N (110 lbf) Also available: Tool recess, Slotted, Hex recess ACTUAL SIZE MEDIUM Size A Material and Finish 14 Large: 670 N (150 lbf) B C D E F G Small 43 15.1 (.59) 8.9 (.35) 15.9 (.63) 22.2 (.88) 28.6 (1.13) 20.6 (.81) 13.9 (.55) Medium 44 23.8 (.94) 14.6 (.57) 25.4 (1.0) 32.1 (1.27) 44.5 (1.75) 31.8 (1.25) 22.2 (.88) Large 14 28.6 (1.13) 22.7 (.90) 34 (1.34) 44.5 (1.75) 63.5 (2.5) 47.6 (1.87) 33.3 (1.31) Dimensions in millimeters (inch) unless otherwise stated Other options available. For complete details on variety, part numbers, installation and specification, go to www.southco.com/43 www.southco.com/44 www.southco.com/14 Compression Latches Adjustable Southco(R) Compression Latches Miniature Size * * * * Single-hole installation An extra turn adjusts the amount of compression applied Corrosion-resistant assemblies available Four access styles including hand- and tool-operated Material and Finish For steel assemblies: HOUSING and TRIM NUT: Low carbon steel, zinc plate, chromate plus sealer or chrome plated. PAWL: 1010 Steel, zinc plate,chromate plus sealer. SCREW: 12L14 Steel, zinc plate, chromate plus sealer or chrome plated. BUSHING: Brass, natural. SPRING: 302 Stainless steel, passivated. HEX NUT: 303 Stainless steel, passivated. O-RING: Buna-N rubber. KNOB: Nylon, black. For stainless steel assemblies: HOUSING, SCREW and TRIM NUT: 303 Stainless steel, passivated or with black organic coating. BUSHING: Brass, natural. PAWL and SPRING: 302 Stainless steel, passivated. O-RING: Buna-N rubber. HEX NUT: 303 Stainless steel, passivated. KNOB: Nylon, black UL94-HB. Installation 1. Install latch from back side of panel. 2. Slip trim nut over knob, slotted head or hex socket head and finger tighten against panel. 3. With pawl in latched position, tighten hex nut hard against back of panel with 3/8" end wrench. For Black Nylon Knob style: Be sure latch is properly attached and functioning then press knob onto knurled steel head of screw. Neither knob nor latch can be removed once knob is pressed into position. Product Strength Guidelines (To assist in your product selection; samples are available for your evaluation.) Maximum static load: 155 N (35 lbs.) Average ultimate load: 400 N (90 lbs.) Operating Temperature Range: -20C (0F) to 80C (180F) Flammability Rating (KNOB): UL94-HB PART NUMBERS Knurled Steel or Stainless Steel Knob Black Nylon Knob MaterIal and Finish 1.2 (.05) wide 1.2 (.04) deep SLOT O 10.3 (.41) Type "A" 27-10-311-10 * Stainless steel, passivated 27-10-311-20 * 27-10-311-30 * Type "B" 27-20-311-10 * 27-20-311-20 * Hex-socket Head 2 mm hex socket 5/64" hex key can also be used. 4.8 (.19) for 4.8 (.19) panel. 8.7 (.34) for 0.8 (.03) panel. 11.5 (.45) Steel, zinc plated Steel, chrome plated Stainless steel with black organic coating Low-profile Slotted Head Type "A" 27-99-123-10 * 27-99-123-20 * Type "B" 27-99-126-10 * 27-99-126-20 * 27-99-123-30 * 27-99-123-50 * 4.8 (.19) for 4.8 (.19) panel. 8.7 (.34) for 0.8 (.03) panel. Type "A" Type "B" Type "A" 27-10-501-10 * 27-20-501-10 27-10-701-10 27-10-501-20 * 27-20-501-20 * 27-10-701-20 * 27-10-501-30 27-99-126-50 * 27-10-501-50 * 27-20-501-50 millimeter (inch) millimeter (inch) Dimensions without tolerances are for reference only. 62 * Products identified with this symbol are stocked subject to prior sale in one or more of our global locations. If unavailable from our facility nearest you, allow for shipping time from another facility. Compression Latches Adjustable Southco(R) Compression Latches Small Size * Single-hole installation * An extra turn adjusts the amount of compression applied * Four access styles including hand- and tool-operated GRIP (see table) FRAME 4.8 (.19) MAX OUTER PANEL THICKNESS O 21 (.81) 19 (.75) 13 (.50) 17 (.66) TRIM WASHER PAWL 12.5 (.49) 19 (.75) Material and Finish A SCREW: Low carbon steel. HEX NUT: 12L14 Steel. TRIM WASHER: Steel. LOCKWASHER: Steel. PAWL: 1010 Steel. BUSHING: 12L14 Steel. The above components are zinc plate chromate plus sealer. SPRING and SPRING WASHER: 17-7PH Stainless steel. KNOB: Nylon, black. HOUSING: Die-cast zinc, chemical protective film. HOUSING MOUNTING NUT B LOCKWASHER 44 REF. (1.73) C Panel preparation 1. 2. 3. 4. MOUNTING NUT FRAME PANEL +0.3 16 -0.5 (.625.015) LOCKWASHER 45 +0.0 14.4 -0.1 (.562 +.005 -.000 ) O Installation Prepare panel. Rotate knob to run pawl to back of housing. Remove mounting nut and lockwasher. Insert latch into hole by hooking pawl through hole. 5. Replace lockwasher and mounting nut; tighten with wrench. Product Strength Guidelines (To assist in your product selection; samples are available for your evaluation.) Maximum static load: 220 N (50 lbs.) Average ultimate load: 445 N (100 lbs.) +0.0 12.8 -0.1 (.500+.005 -.000 ) Turn clockwise to latch. Operating Temperature Range: -20C (0F) to 80C (180F) Flammability Rating (KNOB): UL94 - V2 PART NUMBERS Knob Style Slotted Head slot width = 1.3 (.050) slot depth = 2 (.078) O13 (.50) GRIP RANGE Hex Socket Hex Socket size is 4 mm (5/32) O13 (.50) 4 (.15) 5 (.20) Phillips Recess No. 2 size phillips recess O13 (.50) Pawl Position 4 (.15) MIN. MAX. 2.4 (.09) 9.5 (.38) 48-10-401-10 * 48-11-R * 48-81-R * 48-91-R * A 8.7 (.34) 15.9 (.63) 48-10-402-10 * 48-12-R * 48-82-R * 48-92-R * B 15.1 (.59) 22.2 (.88) 48-10-403-10 * 48-13-R * 48-83-R * 48-93-R * C millimeter (inch) millimeter (inch) Dimensions without tolerances are for reference only. * Products identified with this symbol are stocked subject to prior sale in one or more of our global locations. If unavailable from our facility nearest you, allow for shipping time from another facility. 63 Compression Latches Adjustable Southco(R) Compression Latches Pawl Indicator Style * * * * Arrow indicates pawl position Single-hole installation An extra turn adjusts the amount of compression applied Three sizes GRIP RANGE 3.2 (.12) MIN. to 10.3 (.41) MAX. 2.4 (.09) MAX. OUTER PANEL THICKNESS PAWL SPRING PAWL INDICATOR 500 series PART NUMBER 16-10-511-16 * SLEEVE O 7.9 (.31) O 9.9 (.39) HEX NUT KNOB TRIM NUT BUSHING HOUSING LOCK WASHER 15.5 (.61) 10.3 (.41) 18.3 (.72) 300 and 400 series (see table below for PART NUMBERS) GRIP RANGE (see table) PAWL PAWL INDICATOR HOUSING SPRING F E OD OG LOCK WASHER (supplied) KNOB MOUNTING NUT P MAX OUTER PANEL B C A DIMENSIONS GRIP Pawl posi- Series tion A B C D E F G P MIN. 54.8 (2.16) 21.8 (.86) 32.9 (1.30) 19 (.75) 12.7 (.50) 23 (.91) 15.5 (.61) 4.8 (.19) 1.6 (.063) 12.7 (.500) 16-10-311-14 * V 9.5 (.375) 20.6 (.813) 16-10-312-14 * X 40.7 (1.60) 17.3 (.68) 23.4 (.92) 13.5 (.53) 9.1 (.36) 19 (.75) 11.5 (.45) 2.4 (.09) 1.6 (.063) 8.7 (.344) 16-10-411-14 * V 7.1 (.28) 14.3 (.563) 16-10-412-14 * X 64 MAX. PART NUMBERS * Products identified with this symbol are stocked subject to prior sale in one or more of our global locations. INSTALLATION H K M N MIN. MAX. Pawl style and position (preassembled) 300 19 (.750) 8.7 17.5 (.687) (.344) 20.6 17.5 (.688) (.813) V 400 14.3 (.562) 6.4 12.7 (.500) (.250) 17.5 14.3 (.563) (.688) X If unavailable from our facility nearest you, allow for shipping time from another facility. Compression Latches Adjustable Installation (500 series) Material and Finish 6.4 0.8 (.250 . 031) (500 series) SCREW and SLEEVE: 12L14 Steel. HOUSING: Low carbon steel. PAWL: 1010 Steel. LOCKWASHER: Spring steel. All components listed above are zinc plate, chromate plus sealer. BUSHING: 12L14 Steel, zinc plate chromate plus sealer or brass, natural. TRIM NUT and HEX NUT: 303 Stainless steel, passivated. COIL SPRING and PAWL INDICATOR: 302 Stainless steel, passivated. KNOB: Nylon, black. +0.0 7.5 -0.08 +.005 (.292 -.000 ) (300 and 400 series) BUSHING: Low carbon steel. RETAINING WASHER: 1010 Steel. The components listed above are zinc plate, chromate plus sealer. LOCKWASHER: Spring steel, zinc immersion coating. SCREW: Low carbon steel with black organic coating. SPRING and CONICAL SPRING: 302 Stainless steel, passivated. PAWL: Die-cast zinc with chemical protective coating. MOUNTING NUT: 12L14 Steel, zinc plate, chromate plus sealer. KNOB: Nylon, black. HOUSING and PAWL INDICATOR: Die-cast zinc, chrome plated. 400 series: LOCKWASHER: Spring steel, zinc plate chromate plus sealer. O 8.1 0.05 (.316 . 002) PANEL FRAME Installation (500 series) Installation (300 and 400 series) 1. Prepare panel. 2. Remove trim nut from latch assembly and install latch from back side of panel. 3. Tighten hex nut. 4. Align tang on inside diameter of indicator with slot in head of sleeve, slide into position and press knob over head of screw. NOTE: Neither knob nor latch can be removed once knob is pressed into position. MOUNTING NUT N 45 (300 and 400 series) 1. 2. 3. 4. Prepare panel. Rotate knob to run pawl to back of housing. Remove mounting nut and lockwasher. Insert latch into hole by hooking pawl through hole, following through with housing. 5. Replace lockwasher and mounting nut and tighten. M 0.05(.002) +0.1 (.005) H -0.0 (.000) +0.1 (.005) K -0.0 (.000) LOCKWASHER Flammability Rating (Nylon knob): UL94 - HB Operating Temperature Range (Nylon knob): -20C (0F) to 80C (180F) millimeter (inch) millimeter (inch) Dimensions without tolerances are for reference only. * Products identified with this symbol are stocked subject to prior sale in one or more of our global locations. If unavailable from our facility nearest you, allow for shipping time from another facility. 65