DLA A A 59590 18B A-2012 HOLDER ELECTRICAL CARD WEDGE RETAINERS 3 PIECE SCREW ACTUATED DRIVE 260 X 260 INCH BODY SIZE WITH VISUAL LOCK INDICATION.pdf
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1、INCHPOUND AA59590/18B 18 June 2012 SUPERSEDING AA59590/18A 23 June 2007 COMMERCIAL ITEM DESCRIPTION SPECIFICATION SHEET HOLDER, ELECTRICAL CARD, WEDGE RETAINERS, 3 PIECE, SCREW ACTUATED DRIVE .260 X .260 INCH BODY SIZE, WITH VISUAL LOCK INDICATION The General Services Administration has authorized t
2、he 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 AA59590. CLASSIFICATION/PART IDENTIFICATION NUMBER (PIN). This commercial item descri
3、ption (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 /18 Applicable CID specification sheet * Finish * Mounting * * Length (see table I) * Configuration Example: AA5959
4、0/18ET58E is the PIN for a nickel plated, 5.8 inches (147 mm) long card holder with a visual lock indication and a screw self-locking element. The card holder also features two tapped 0-80 UNF mounting holes for use with fasteners. SALIENT CHARACTERISTICS. Performance. Card holders shall hold the ci
5、rcuit 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. Interface and physical dimensions. The card holde
6、rs 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. Actuating screw hex drive socket. The dimension for hex drive socket shall be .094 inch (2.39 mm) for mounting options “J“, “N“, “T“ and “V
7、“. The dimension for hex drive socket shall be a metric dimension of 2.5 mm (.098 inch) across flats for mounting option “G“. Material. Unless otherwise specified herein, the card holder materials shall be as specified in AA59590. Cold plate dimensions. Recommend cold plate slot width to accommodate
8、 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 AA59590). Nominal installation torque. When card holders are used in cold plate applications, the nominal installation torque of each card holder shal
9、l be as follows: 10 inch-pounds (1.1 N-m) for assemblies using no options or option “W“ and 12 inch-pounds (1.4 N-m) for assemblies using options “D“ or “E“. AMSC N/A FSC 5998Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AA59590/18B 2 Inches mm Inc
10、hes mm Inches mm Inches mm Inches mm .20 .25 5.1 6.4 .260 .270 6.60 6.86 .27 .325 6.9 8.26 .39 .56 9.9 14.2 .70 17.8 NOTES: 1. Dimensions are in inches. Millimeters are given for general information only. 2. Unless otherwise specified, tolerances are .02 inch (0.51 mm) for two place decimals and .01
11、0 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 be .094 inch (2.39 mm) for mounting options “J“, “N“, “T“ and “V“. The across flats dimension for hex drive socket shall be a m
12、etric dimension of 2.5 mm (.098 inch) across flats for mounting option “G“. FIGURE 1. Relaxed and expanded dimensions, basic configuration. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AA59590/18B 3 Visual lock indicator (see figure 2). The card h
13、older assembly shall have a visual indicator to show when the card holder assembly is in its relaxed (unlocked) state. When the card holder assembly is in the relaxed state, the end of the actuating screw shall display a red band on the side of the screw. When the actuating screw on the card holder
14、has been tightened so that the assembly is in the expanded (locked) position, this red band shall be concealed. FIGURE 2. Visual lock indicator details. Finish. The finish designator shall be as specified in AA59590. The finishes available for this CID specification sheet are as follows: “B“ (black
15、anodize), “C“ (gold chemical film), “E“ (electroless nickel), “H“ (hard black anodize), or “R“ (clear chemical film) 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 av
16、ailable for this CID specification sheet are as follows: “J“ (rivet mounting holes), “N“ (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 mo
17、unting option “J“ may be shipped unassembled. Counterbore holes (for rivet mounting). The holes used for rivet mounting shall be .068/.073 inch (1.73/1.85 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) d
18、iameter by .200 inch (5.08 mm) deep. Rivets. This card holder uses rivet type A as specified in AA59590 when rivet mounting is used. Length, expanded, and relaxed dimensions. The length designator shall be as specified in AA59590 and the lengths available for this CID specification sheet are listed
19、in table I. The length, expanded, and relaxed dimensions shall be as specified on figure 1. TABLE I. Assembly dimensions (see figure 1). 1/ PIN length designator Dimension “LENGTH“ .02 (0.5 mm) Dimension “B“ .03 (0.8 mm) Dimension “M“ .005 (0.13 mm) 28 2.8 (71 mm) 2.30 (58.4 mm) .90 (22.9 mm) 38 3.8
20、 (97 mm) 3.30 (83.8 mm) 1.90 (48.3 mm) 48 4.8 (122 mm) 4.30 (109.2 mm) 2.90 (73.7 mm) 58 5.8 (147 mm) 5.30 (134.6 mm) 3.90 (99.1 mm) 1/ Dimensions are in inches. Millimeters, in parenthesis, are given for general information only. Provided by IHSNot for ResaleNo reproduction or networking permitted
21、without license from IHS-,-,-AA59590/18B 4 Configuration. The configuration of a card holder shall be as specified in table II. The details of a particular configuration consist of those on figures 1 and 2, and may include those on figures 3 and 4. The correct PIN configuration identifier for each o
22、ption is listed in table II. Card holders not requiring the options described by table II shall leave the configuration position in the PIN blank. TABLE II. Configuration. Configuration Applicable figures Hardware options 1 and 2 No changes from basic configuration W 1, 2, and 3 Lockwasher and flat
23、washer E 1, 2, and 4 Screw self-locking element D 1, 2, 3, and 4 Lockwasher, flat washer, and screw self-locking element Lockwasher and flat washer (see figure 3). The use of a lockwasher and flat washer located under the screw head will provide for additional resistance to loosening of the card hol
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