DLA A-A-59590 2 C-2010 HOLDER ELECTRICAL CARD WEDGE RETAINERS 3 PIECE SCREW ACTUATED DRIVE 225 X 260 INCH BODY SIZE WITH EJECTION ACTION.pdf
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1、INCHPOUND AA59590/2C 2 October 2010 SUPERSEDING AA59590/2B 20 April 2007 COMMERCIAL ITEM DESCRIPTION SPECIFICATION SHEET HOLDER, ELECTRICAL CARD, WEDGE RETAINERS, 3 PIECE, SCREW ACTUATED DRIVE, .225 X .260 INCH BODY SIZE, WITH EJECTION ACTION The General Services Administration has authorized the us
2、e 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 AA59590. CLASSIFICATION/PART IDENTIFICATION NUMBER (PIN). This commercial item description
3、 (CID) specification sheet uses a classification system which is included in the Part Identification Number (PIN) as shown in the following example (see notes). AA59590 CID number /02 Applicable CID specification sheet * Finish * Mounting * * Length (see table I) W, D, E Configuration (see table II)
4、 Example: AA59590/02BG28D is the PIN for a black anodized, 2.8 inches (71 mm) long card holder with a flat washer, lockwasher, and screw self-locking element. The card holder also features two tapped mounting holes for use with metric M2.5 x 0.45 fasteners. SALIENT CHARACTERISTICS. Performance. Card
5、 holders shall hold the circuit card assembly firmly in its installed position and provide high resistance to loosening due to shock and vibration. Card holders shall also provide maximum thermal transfer from the circuit card assembly to the cold plate or heat sink surfaces. Material. Unless otherw
6、ise specified herein, the card holder materials shall be as specified in AA59590. Interface and physical dimensions. The card holders supplied to this CID specification sheet shall be as specified herein (see figures 1, 2, 3, 4, and table I) and meet the general requirements of CID AA59590. Card hol
7、ders shall have an ejection action feature that forces the circuit card assembly to disengage from its installed position. Actuating screw hex drive socket. The across flats dimension for the hex drive socket shall be as follows: .094 inch (2.38 mm) for mounting options “J“, “K“, “N“, “T“, “R“, “V“,
8、 and “S“ and 2.5 mm (0.098 inch) for mounting options “G“ and “M“. Cold plate slot width dimensions. 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
9、 AA59590). Nominal installation torque. When card holders are used in cold plate applications, the nominal installation torque of each card holder shall be as follows: 6 inch-pounds (0.68 N-m) for assemblies using no options or option “W“ and 8 inch-pounds (0.9 N-m) for assemblies using options “D“
10、or “E“. AMSC N/A FSC 5998 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AA59590/2C 2 Inches mm Inches mm Inches mm Inches mm .225 5.72 .25 .250 6.4 6.35 .270 .325 6.86 8.26 .62 .95 15.7 24.1 NOTES: 1. Dimensions are in inches. Millimeters are given
11、 for general information only. 2. 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 tolerance for the mounting hole spacing is .005 inches (0.13 mm). 4. The across flats dimension for hex drive socket shall b
12、e .094 inch (2.39 mm) for mounting options “J“, “N“, “T“, and “V“. The across flats dimension for hex drive socket shall be a metric dimension of 2.5 mm (.098 inch) across flats for mounting option “G“. FIGURE 1. Relaxed and expanded dimensions. Provided by IHSNot for ResaleNo reproduction or networ
13、king permitted without license from IHS-,-,-AA59590/2C 3 Ejection action (see figure 2). The ejection action shall allow for the initial ejection of the circuit card assembly from its installed position without damaging circuits, components, or the mating connector(s). The minimal amount of ejection
14、 distance shall be .25 inch (6.4 mm). FIGURE 2. View of assembly installed and ejected. Finish. The finish designator shall be as specified in AA59590. The finishes available for this CID specification sheet are as follows: “B“ (black anodize), “C“ (gold chemical film), “E“ (electroless nickel), or
15、“H“ (hard black anodize). Mounting. The mounting designators shall be as specified in AA59590. Except when using mounting option “N“, two mounting holes are required on the card holders. The mounting options available for this CID specification sheet are as follows: “J“ (rivet mounting holes), “N“ (
16、no mounting holes), “T“ (tapped 0-80 UNF 2B holes), “V“ (tapped 2-56 UNC 2B holes), or “G“ (tapped M2.5 x.45 metric holes). See figure 1 and table I for mounting hole spacing requirements. Card holders using mounting option “J“ may be shipped unassembled. Counterbore holes (for rivet mounting). The
17、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 an access/clearance counterbore of .156 inch (3.96 mm) diameter by .200 inch (5.08 mm) deep. Rivets. This card holder uses rivet style B as specif
18、ied in AA59590 when rivet mounting is used. Length, expanded, and relaxed dimensions. The length, expanded, and relaxed dimensions shall be as specified on figure 1. The length designator shall be as specified in AA59590 and the lengths available for this CID specification sheet are listed in table
19、I. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AA59590/2C 4 TABLE I. Assembly dimensions (see figure 1). 1/ PIN length designator Dimension “LENGTH“ .02 (0.5 mm) Dimension “M“ .005 (0.13 mm) 28 2.8 (71 mm) .530 (13.5 mm) 35 3.5 (89 mm) 1.23 (31.2
20、 mm) 38 3.8 (97 mm) 1.53 (38.9 mm) 40 4.0 (102 mm) 1.73 (43.9 mm) 48 4.8 (122 mm) 2.53 (64.3 mm) 58 5.8 (147 mm) 3.53 (89.7 mm) 64 6.4 (163 mm) 4.13 (104.9 mm) 1/ Dimensions are in inches. Millimeters, in parenthesis, are given for information only. Configuration. The configuration of a card holder
21、shall be as specified in table II. The details of a particular configuration consist of those on figures 1, 3, and 4. Card holders not requiring the options described by table II shall leave the configuration position in the PIN blank. TABLE II. Configurations. Configuration Applicable figures Hardw
22、are options - 1 No added options W 1 and 3 Lockwasher and flat washer E 1 and 4 Screw self-locking element D 1, 3, and 4 Lockwasher, flat washer and screw self-locking element Lockwasher and flat washer (see figure 3). A lockwasher and flat washer located under the screw head will provide for additi
23、onal resistance to loosening from shock and vibration. Card holders requiring a lockwasher and flat washer shall include a configuration suffix “W“ in the PIN (see classification and notes). FIGURE 3. Lockwasher and flat washer details. Provided by IHSNot for ResaleNo reproduction or networking perm
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