DLA A-A-59789 6 A-2011 HOLDERS ELECTRICAL CARD WEDGE RETAINERS 5 PIECE FOR COLD PLATE APPLICATIONS LEVER ACTUATED WITH LEVER EXTRACTION AND VISUAL LOCK INDICATION.pdf
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1、INCHPOUND AA59789/6A 6 October 2011 SUPERSEDING AA59789/6 August 28, 2006 COMMERCIAL ITEM DESCRIPTION SPECIFICATION SHEET HOLDERS, ELECTRICAL CARD, WEDGE RETAINERS, 5 PIECE, FOR COLD PLATE APPLICATIONS, LEVER ACTUATED, WITH LEVER EXTRACTION AND VISUAL LOCK INDICATION The General Services Administrat
2、ion has authorized the use of this commercial item description for all federal agencies. The complete requirements for procuring electrical card holders described herein shall consist of this document and the latest issue in effect of AA59789. CLASSIFICATION/PART OR IDENTIFICATION NUMBER (PIN). This
3、 commercial item description (CID) specification sheet uses a classification system which is included in the Part Identification Number (PIN) as shown in the following example (see NOTES). AA59789 CID number /06 Applicable CID specification sheet * Configuration (see table I) * Finish * * Length (se
4、e table II) * Mounting (see table I) Example: AA59789/06FS40M is the PIN for a card holder with an actuating lever that locks the card holder into its installed position. The levers also allow for an extraction feature that forces the circuit card assembly to disengage from its installed position. T
5、he card holder is pre-set to a clamping force of 145 pounds (645 Newtons). The card holder has a black anodize finish and is 3.8 inch (97 mm) long The card holder also features two tapped mounting holes for use with metric M2.0 x 0.4 mm fasteners. SALIENT CHARACTERISTICS. Performance. Card holders s
6、hall hold the circuit card firmly in place providing high resistance to shock and vibration while providing maximum thermal transfer between the circuit card assembly and the cold plate surfaces. Interface and physical dimensions. The card holders supplied to this CID specification sheet shall be as
7、 specified in figures 1, 2, and table I herein and meet the general requirements specified in CID AA59789. Material. Unless otherwise specified herein, the card holder materials shall be as specified in AA59789. Adjusting screw hex drive socket. The dimension for hex drive socket shall be .094 inch
8、(2.38 mm) across flats. Cold plate slot width (see figure 3). The recommend cold plate slot width to accommodate the circuit card assembly with attached card holder is .300 inch (7.62 mm) plus the thickness of the printed board of the circuit card assembly (see AA59789). Lever actuation (see figure
9、2). The card holder shall be equipped with a lever to actuate the card holder to secure the attached circuit card assembly in its installed position. When in the relaxed state, the card holders shall permit the circuit card assembly to be placed into or removed from its installed position with eithe
10、r a zero insertion force or a slight insertion/extraction drag. To secure the circuit card assembly in place, the lever shall be actuated towards the printed board, to become perpendicular with the card holder. AMSC N/A FSC 5998 Provided by IHSNot for ResaleNo reproduction or networking permitted wi
11、thout license from IHS-,-,-AA59789/6A 2 Visual lock indication (see figure 4). Visual indication of the card holder locked position is when the lever is perpendicular with the card holder, and parallel with the printed board of the circuit card assembly. Lever extraction (see figure 2). The lever us
12、ed for actuating the card holder can be used to extract the card holder and the attached circuit card assembly from its installed position. Configuration (see table I, figures 1 and 3). The configuration of a card holders shall be as specified in table I. This card holder is available for mounting i
13、n either the left or right facing position and in various states of preset clamping force. Normal applications requires both left and right facing card holders. Right facing card holder is depicted on figure 1. The configuration designator shall be included in the PIN. TABLE I. Configuration. 1/ Con
14、figuration Clamping force Mounting options Facing E Adjustment needed 2/ S, M, U Left F Preset to 125 pounds (556 Newtons) 3/ S, M, U G Preset to 145 pounds (645 Newtons) 3/ S, M, U Q Adjustment needed 2/ S, M, U Right P Preset to 125 pounds (556 Newtons) 3/ S, M, U T Preset to 145 pounds (645 Newto
15、ns) 3/ S, M, U 1/ Mounting body size is .250 x .260 (6.35 x 6.60 mm). 2/ See application data for adjustment procedure. 3/ This preset force is contingent on using the recommend cold plate slot width of .300 inch (7.62 mm) plus the thickness of the printed board of the circuit card assembly. Finish.
16、 Finish designator “S“ shall be used in the PIN. Finish “S“ shall consist of the following: a. The bodies and wedges shall be black anodize with dry film lubricant in accordance with finish designator “Q“ defined in AA59789. b. The shaft shall be black anodize in accordance with finish designator “B
17、“ defined in AA59789. c. The lever arm shall be hard black anodize in accordance with finish designator “H“ defined in AA59789. Length, expanded, and relaxed dimensions. The length designator shall be as specified in AA59789. The lengths available for this CID specification sheet are listed in table
18、 II. The length, expanded, and relaxed dimensions shall be as specified on figure 1. The length designator shall be included in the PIN. TABLE II. Additional assembly dimensions (see figure 1). 1/ PIN length designator Dimension “L“ .02 ( 0.5) Dimension “A“ .005 ( 0.13) Dimension “B“ .005 ( 0.13) Di
19、mension “C“ (reference) 30 2.80 (71.1) .900 (22.86) .450 (11.43) 4.03 (102.4) 40 3.80 (96.5) 1.900 (48.26) .950 (24.13) 5.03 (127.8) 50 4.80 (121.9) 2.900 (73.66) 1.450 (36.83) 6.03 (153.2) 1/ Dimensions are in inches. Millimeters are given for general information only. Provided by IHSNot for Resale
20、No reproduction or networking permitted without license from IHS-,-,-AA59789/6A 3 Inches mm Inches mm Inches mm Inches mm .094 .250 2.38 6.35 .270 .325 6.86 8.26 .527 1.305 13.39 33.15 1.43 1.50 36.3 38.1 NOTES: 1. Dimensions are in inches. Millimeters are given for general information only. 2. Unle
21、ss otherwise specified, tolerances are for .02 inch (0.5 mm) for two place decimals and .010 inch (0.25 mm) for three place decimals. 3. Capable of expansion range of .270 inch (6.86 mm) maximum to .325 inch (8.25 mm) minimum. Adjustment is required to achieve the exact dimension within the expansio
22、n range. 4. The across flats dimension for hex drive socket shall be .094 inch (2.38 mm). FIGURE 1. Relaxed and expanded dimensions (left facing shown). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AA59789/6A 4 Inches mm Inches mm Inches mm Inches
23、 mm .05 1.3 .20 5.1 .25 6.4 1.50 38.1 NOTES: 1. Dimensions are in inches. Millimeters are given for general information only. 2. Unless otherwise specified, tolerances are for .02 inch (0.5 mm) for two place decimals and .010 inch (0.25 mm) for three place decimals. 3. Extraction travel of card hold
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