DLA A A 59789 5A-2011 HOLDERS ELECTRICAL CARD WEDGE RETAINERS 5 PIECE FOR COLD PLATE APPLICATIONS LEVER ACTUATED WITH VISUAL LOCK INDICATION.pdf
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1、INCHPOUND AA59789/5A 5 October 2011 SUPERSEDING AA59789/5 August 19, 2006 COMMERCIAL ITEM DESCRIPTION SPECIFICATION SHEET HOLDERS, ELECTRICAL CARD, WEDGE RETAINERS, 5 PIECE, FOR COLD PLATE APPLICATIONS, LEVER ACTUATED, WITH VISUAL LOCK INDICATION The General Services Administration has authorized th
2、e 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 commercial item desc
3、ription (CID) specification sheet uses a classification system which is included in the PIN as shown in the following example (see NOTES). AA59789 CID number /05 Applicable CID specification sheet * Configuration (see table I) * Finish (see table I) * * Length (see table II) * Mounting (see table I)
4、 Example: AA59789/05LB50U is the PIN for a black anodize finished, 4.8 inch (121.9 mm) long card holder with an actuating lever that locks the card holder into its installed position. The card holder also features two tapped mounting holes for use with metric 2.0 x 0.4 mm fasteners. SALIENT CHARACTE
5、RISTICS. Performance. Card holders shall hold the circuit card firmly in place providing high resistance to shock and vibration while providing maximum thermal transfer. Interface and physical dimensions. The card holders supplied to this CID specification sheet shall be as specified herein (see fig
6、ures 1 and 2) 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 (2.38 mm) across flats. Cold plat
7、e slot width. 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 action locking. The card holder shall be equipped with a lever to actu
8、ate 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 either a zero insertion force or a slight insertion/extraction
9、drag. To secure the circuit card assembly in place, the lever shall be actuated, to become perpendicular with the card holder, and parallel with and towards the circuit card (see figures 3 and 4). AMSC N/A FSC 5998 Provided by IHSNot for ResaleNo reproduction or networking permitted without license
10、from IHS-,-,-AA59789/5A 2 Configuration (see table I, figures 1 and 2). The configuration of a card holders shall be as specified in table I. This card holder is available for mounting in either the left or right facing position. Normal applications requires both left and right facing card holders.
11、Left facing card holder is depicted on figure 1, mounting body style A and a right facing card holder is depicted on figure 2, mounting body style C. The configuration designator shall be included in the PIN. TABLE I. Configuration. 1/ Configuration Mounting body style Clamping force. Finish options
12、 Mounting options Figure Facing L A Preset to 40 pounds (178 Newtons) 2/ B, C, H R, S, M, U 1 Left E C Adjustment needed 3/ S S, M, U 2 F C Preset to 125 pounds (556 Newtons) 2/ S S, M, U 2 G C Preset to 145 pounds (645 Newtons) 2/ S S, M, U 2 R A Preset to 40 pounds (178 Newtons) 2/ B, C, H R, S, M
13、, U 1 Right Q C Adjustment needed 3/ S S, M, U 2 P C Preset to 125 pounds (556 Newtons) 2/ S S, M, U 2 T C Preset to 145 pounds (556 Newtons) 2/ S S, M, U 2 1/ Mounting body size is .225 x .260 (5.72 x 6.60 mm) for mounting body style A and .250 x .260 (6.35 x 6.60 mm) for mounting body style C. 2/
14、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. 3/ See application notes for clamping force adjustment procedure. Finish. The finish options “B“ (black anodize), “C“ (chemical fi
15、lm), or “H“ (hard black anodize) shall be as specified in AA59789. Finish option “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
16、with finish designator “B“ as defined in AA59789. c. The lever arm shall be hard black anodize in accordance with finish designator “H“ as defined in AA59789. The finish designator shall be included in the PIN. Length, expanded, and relaxed dimensions. The length designator shall be as specified in
17、AA59789. The lengths available for this CID specification sheet are listed in table II. The length, expanded, and relaxed dimensions shall be as specified on figure 1. The length designator shall be included in the PIN. Mounting. The mounting designators shall be as specified in AA59789. The mountin
18、g options available for this CID specification sheet are as follows: “R“ (rivet mount holes with counterbore and countersink), “S“ (tapped 2-56 holes), “M“ (tapped metric M2.5 x 0.45 holes), or “U“ (tapped metric M2 x 0.4 holes). See figure 1 for mounting hole spacing requirements. The mounting desi
19、gnator shall be included in the PIN. Rivet mount holes. The holes used for rivet mounting shall be .066/.073 inch (1.68/1.85 mm) diameter, countersunk 100 degrees by .140 inch (3.56 mm) diameter through holes with a counterbore of .156 inch (3.96 mm) diameter by .200 inch (5.08 mm) deep. Rivets. Thi
20、s card holder uses rivet style A as specified in AA59789 when rivet mounting is specified. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AA59789/5A 3 Inches mm Inches mm Inches mm .225 .270 5.72 6.86 .330 .64 8.38 16.26 .900 1.25 22.86 31.8 NOTES:
21、1. Dimensions are in inches. Millimeters are given for general information only. 2. Unless otherwise specified, tolerances are for .02 inch (0.51 mm) for two place decimals and .010 inch (0.25 mm) for three place decimals. 3. The across flats dimension for hex drive socket shall be .094 inch (2.38 m
22、m). 4. Tolerance for the hole spacing is .010 inch (0.25 mm) for mounting body style A. FIGURE 1. Relaxed and expanded dimensions for mounting body style A. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AA59789/5A 4 Inches mm Inches mm Inches mm In
23、ches mm .06 .250 1.5 6.35 .270 .277 6.86 7.04 .325 .50 8.26 12.7 1.305 1.43 33.15 36.3 NOTES: 1. Dimensions are in inches. Millimeters are given for general information only. 2. Unless otherwise specified, tolerances are for .02 inch (0.51 mm) for two place decimals and .010 inch (0.25 mm) for three
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