Series 280HT Card Lok Series 280HTHigh Therma Card Lok RECOMMENDED GAP WIDTH PCB + 10.8 mm (.425 in) RECOMMENDED TORQUE 113 N-cm (10 in-lbs) With option 163 N-cm (14 in-lbs) WEIGHT 2.70 g/cm (.241 oz/in) COLD PLATE BOARD MATERIALS AND FINISH MODULE ASSEMBLY RECOMMENDED GAP: BRACKETS AND WEDGES BOARD MODULE ASSEMBLY THICKNESS Material: PLUS 10.8 .425 Aluminum Alloy 6061-T6 per per ASTM-B221 or AMS-QQ- A-200/8 Finish: See finish table on opposite WEDGES page SCREW, LOCK AND FLAT WASHER 0.09-in. or 2.5-mm hex. socket BRACKETS head cap screw, depending on mounting configuration Material: SCREW, LOCK AND FLAT WASHER Stainless steel Finish: Passivated per AMS2700 and dry film lube as required ROLL PINS Material: 400 series stainless steel Finish: Passivated per AMS2700 pentairprotect.com 1-800-854-7086Series 280HT Card Lok Lock element per MIL-F-18240 applied to thread of screw Detail L Provides prevailing torque for resistance to loosening from shock and vibration. Adds 50 N-cm (4 in-lbs) torque to assembly. 3.57 (.140) Hex Socket Cap Per ANSI/ASME B18.3 .380 9.65 .365 9.27 .16 Assembly Length 1.3 .050) 4.2 .440 MIN 11.2 MIN Center hole location option only M/2 .13 .005 Units: mm in Unless otherwise specified: .xx .25, .x .5 (.xxx .010, .xx .02) Note: Each piece has a tolerance of .010 M = Assembly Length .750 minus 54.6 2.15 19.05 .13 .005 Part Number Code example: A280HT-4.80T4 M A 280HT - 3.80 E T4 L Part Number Code Series 280HT Card-Lok five piece 121.9 (4.80) long with Screw black anodize finish, 4-40 tapped hole for mounting. Metric Screw Head M2.5 Hex Drive M Standard Screw Head 3/32 Hex Drive Blank Finish FINISH TABLE CODE Black Anodized A LETTER SURFACE FINISH Or choose from Finish Table BLACK ANODIZE PER MIL-A-8625 TYPE II, CLASS 2 Length HARD BLACK ANODIZE PER MIL-A-8625 TYPE III, CLASS 2 HA ELECTROLESS NICKEL PER MIL-C-26074 CLASS 4, GRADE EN Length in 12.7 (.50) increments 96.52 3.80 B, BRIGHT to 325.12 12.80 Mounting Additional Center Mounting Hole E MOUNTING METHOD TABLE None Blank CODE LETTER METHOD Mounting Options - through mounting holes T4 Or choose from Mounting Method Table 4-40 TAPPED HOLE T4 M3 x 0.50 TAPPED HOLE TM3 Lock Patch Lock Patch L None Blank pentairprotect.com 1-800-854-7086 A