DLA A-A-59789 1 A-2010 HOLDER ELECTRICAL CARD WEDGE RETAINERS 5 PIECE FOR COLD PLATE APPLICATIONS 225 X 260 INCH BODY SIZE WITH TWO MOUNTING HOLES SCREW ACTUATION AND RETENTION.pdf
《DLA A-A-59789 1 A-2010 HOLDER ELECTRICAL CARD WEDGE RETAINERS 5 PIECE FOR COLD PLATE APPLICATIONS 225 X 260 INCH BODY SIZE WITH TWO MOUNTING HOLES SCREW ACTUATION AND RETENTION.pdf》由会员分享,可在线阅读,更多相关《DLA A-A-59789 1 A-2010 HOLDER ELECTRICAL CARD WEDGE RETAINERS 5 PIECE FOR COLD PLATE APPLICATIONS 225 X 260 INCH BODY SIZE WITH TWO MOUNTING HOLES SCREW ACTUATION AND RETENTION.pdf(9页珍藏版)》请在麦多课文档分享上搜索。
1、INCHPOUND AA59789/1A 27 April 2010 SUPERSEDING AA59789/1 26 March 2006 COMMERCIAL ITEM DESCRIPTION SPECIFICATION SHEET HOLDER, ELECTRICAL CARD, WEDGE RETAINERS, 5 PIECE, FOR COLD PLATE APPLICATIONS, .225 X .260 INCH BODY SIZE, WITH TWO MOUNTING HOLES, SCREW ACTUATION AND RETENTION The General Servic
2、es Administration 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 IDENTIFICATION NUMBER
3、(PIN). This 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 herein). AA59789 CID number /01 Applicable CID sheet * Configuration (see table I) * Finish (see table
4、 I) * * Length (see table II) * Mounting (see table I) Example: AA59789/01AB50S is the PIN for a black anodized finished, 4.8 inch (121.9 mm) long card holder with a retained actuating screw. The card holder also features two tapped mounting holes for use with 256 UNC 2B fasteners and a lockwasher a
5、nd flat washer under the screw head for added resistance to loosening. SALIENT CHARACTERISTICS. 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
6、 holders supplied to this CID specification sheet shall be as specified herein and meet the general requirements specified in CID AA59789. Card holders shall also have a screw retention feature to prevent unintentional disassembly of the card holder. Material. Unless otherwise specified herein, the
7、card holder materials shall be as specified in AA59789. Actuating screw hex drive socket. The dimension for hex drive socket shall be .094 inch (2.38 mm) across flats for mounting options “S“, “R“, “P“, “U“, and “T“. Cold plate slot width. The recommend cold plate slot width to accommodate the circu
8、it 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). Installation torque. The recommended nominal installation torque is as follows: 6 inch-pounds (0.68 N-m) for assemblies of configuration “A“, “C“, “F“
9、, or “W“ and 7.2 inch-pounds (0.81 N-m) for assemblies of configurations “D“, “J“, “L“, or “N“. AMSC N/A FSC 5998 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AA59789/1A 2 Configuration Configuration. The configuration of a card holders shall be a
10、s specified in table I. The details of a particular configuration consist of those on figures 1 and 2, and may include those on figures 3 or 4. TABLE I. Configurations. Configuration Mounting body style Finish options Mounting options Applicable figures Hardware options A A B, C, P, H S, R, T, P 1 a
11、nd 2 No hardware options added C C B, C, E, H S, R, T, U F A B, C, P, H S, R, T, P 1, 2, and 3 Lockwasher and flat washer W C B, C, E, H S, R, T, U N A B, C, P, H S, R, T, P 1, 2, and 4 Screw self-lock element L C B, C, E, H S, R, T, U J A B, C, P, H S, R, T, P 1, 2, 3, and 4 Lockwasher, flat washer
12、, and screw self-lock element D C B, C, E, H S, R, T, U Finish. The finish designator shall be as specified in AA59789. The finishes available for this CID specification sheet are as follows: “B“ (black anodize), “C“ (gold chemical film), “E“ (electroless nickel), “P“ (electrodeposited nickel), or “
13、H“ (hard black anodize). 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 II. The length, expanded, and relaxed dimensions shall be as specified on figure 1. TABLE II. Additiona
14、l assembly dimensions (see figure 1). 1/ PIN length designator Dimension “L“ .02 (0.5) Mounting body style Dimension “A“ .01 (0.3) Dimension “B“ .02 (0.5) Dimension “C“ minimum 50 4.8 (121.9) A 1.50 (38.1) .30 (7.6) .330 (8.38) C 1.60 (40.6) .35 (8.9) .325 (8.26) 55 5.3 (134.6) A 2.00 (50.8) .55 (14
15、.0) .330 (8.38) C 1.60 (40.6) .35 (8.9) .325 (8.26) 60 5.8 (147.3) A 2.50 (63.5) .80 (20.3) .330 (8.38) C 1.60 (40.6) .35 (8.9) .325 (8.26) 65 6.3 (160.0) A 3.00 (71.2) 1.05 (26.7) .330 (8.38) C 1.60 (40.6) .35 (8.9) .325 (8.26) 1/ Dimensions are in inches. Millimeters are given for general informat
16、ion only. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AA59789/1A 3 Inches mm Inches mm Inches mm .125 .140 3.18 3.56 .225 .270 5.72 6.86 .30 .900 7.6 22.86 NOTES: 1. Dimensions are in inches. Millimeters are given for general information only. 2.
17、 Unless otherwise specified, tolerances are .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 mm). 4. Tolerance for the hole spacing is .010 inch (0.25 mm) for mounting body style A
18、and .005 inch (0.51 mm) for mounting body style C. FIGURE 1. Relaxed and expanded dimensions. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AA59789/1A 4 Screw retention locknut (see figure 2). Card holders shall have a screw retention locknut inten
19、ded to prevent unintentional disassembly of the card holder. The locknut shall be fabricated of a corrosion resistant material. FIGURE 2. Screw retaining self-locking nut (corrosion resistant) details. Mounting. The mounting designators shall be as specified in AA59789. The mounting options availabl
20、e for this CID specification sheet are as follows: “S“ (tapped 256 holes), “R“ (rivet mount holes with counterbore and countersink), “T“ (tapped 080 holes), “P“ (.062 x .040 index pins), or “U“ (tapped metric M2 x 0.4 holes). See figure 1 for mounting hole spacing requirements. Card holders using mo
21、unting option “P“ and “R“ may be shipped unassembled. 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)
22、deep. Rivets. This card holder uses rivet style A as specified in AA59789 when rivet mounting is used. Configuration hardware options. Card holders can have the following hardware options. See table I for the correct PIN configuration identifier. Lockwasher and flat washer (see figure 3). A lockwash
23、er and flat washer located under the screw head will provide for additional resistance to loosening from shock and vibration. Card holders requiring a lockwasher and flat washer shall include configuration identifier “F“ or “W“ in the PIN (see classification and notes). FIGURE 3. Lockwasher and flat
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