1、 INCH-POUND A-A-59497/1A 17 June 2010 SUPERSEDING A-A-59497/1 23 February 2000 COMMERICAL ITEM DESCRIPTION RESISTORS, VARIABLE, NONWIRE WOUND, NONPRECISION, 1 WATT The General Services Administration has authorized the use of this Commercial Item Description (CID) for all federal agencies. The compl
2、ete requirements for procuring a nonwire wound, nonprecision, 1 watt, variable resistor described herein shall consist of this document and the issue in effect of CID A-A-59497. * CLASSIFICATION/PART OR IDENTIFICATION NUMBER (PIN). This CID specification sheet uses a classification system which is i
3、ncluded in the PIN as shown in the following example (see NOTES). A59497 01 * * * * * Abbreviated CID number Applicable CID sheet (two digits) Resistance Resistance tolerance Physical parameters Operating shaft Electrical rotation and linearity SALIENT CHARTACTERISTICS * Interface and physical dimen
4、sions. Resistors supplied to this CID specification sheet shall be as specified herein (see figure 1). Resistance. The nominal resistance value expressed in ohms is identified by a three-digit number; the first two digits represent significant figures and the last digit specifies the number of zeros
5、 to follow. Resistance values for specific resistors are in accordance with table I. NOTE: The available resistance values in table I, are based on electrical rotation, see table IV. Resistance tolerance. The resistance tolerance available is K (10 percent). TABLE I. Nominal resistance value. Resist
6、ance value designation Nominal resistance value (Ohms) 501 500 102 1000 202 2000 502 5000 103 10000 203 20000 503 50000 AMSC N/A FSC 5905 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59497/1A 2 1/ see table II. 2/ Bushing thread pitch is 32-2B
7、 UNEF. Inches mm Inches mm Inches mm Inches mm .001 0.025 .060 1.524 .185 4.699 .500 12.700 .010 0.254 .062 1.575 .312 7.925 .680 17.272 .030 0.762 .065 1.651 .340 8.636 .745 18.923 .031 0.813 .100 2.540 .450 11.430 .790 20.066 NOTES: 1. Dimensions are in Inches. 2. Metric equivalents are given for
8、general information only. FIGURE 1. Resistor, Variable. Dimension Physical parameters 1/ symbol A (mm) B (mm) A 0.040 (1.016) 0.062 (1.57) B 0.1242/0.1248 (3.15/3.17) 0.2487/0.2493 (6.32/6.33) C 0.312 (7.92) 0.402/0.406 (10.21/10.31) D 0.290 (7.37) 0.375 (9.53) E 2/ 0.250 (6.35) 0.375 (9.53) Provide
9、d by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59497/1A 3 Physical parameters. The physical parameters shall be identified by a single letter in accordance with table II. TABLE II. Physical parameters. Symbol Bushing diameter A 0.250 B 0.375 Operating
10、shaft. The operating shaft length and style shall be identified by a single letter in accordance with table III. TABLE III. Operating shaft. Symbol Shaft length Shaft style A .875 Plain B .875 Flatted C .875 Slotted D .750 Plain E .750 Flatted F .750 Slotted Electrical rotation and linearity. The el
11、ectrical rotation and linearity shall be identified by a single letter in accordance with table IV. TABLE IV. Electrical rotation and linearity. Power rating. The power rating shall be 1 watt at 70oC, derated to zero at 125oC. Operating ambient temperature. The operating ambient temperature shall be
12、 55oC to +125oC. * Marking. Resistors supplied to this CID specification sheet shall be marked as specified in A-A-59497. NOTES * PIN. The PIN should be used for Government purposes to buy commercial products to this CID specification sheet. See CLASSIFICATION for PIN format example. Symbol Angle Re
13、sistance Linearity A 300 - - - 5000 10000 20000 50000 2% B 270 - - 2000 5000 10000 20000 50000 2% C 240 - 1000 2000 5000 10000 20000 50000 2% D 180 500 1000 2000 5000 10000 20000 - 2% E 120 500 1000 2000 5000 10000 - - 2% Provided by IHSNot for ResaleNo reproduction or networking permitted without l
14、icense from IHS-,-,-A-A-59497/1A 4 Source of documents. COMMERCIAL ITEM DESCRIPTION A-A-59497 - Resistors, Variable, Nonwire Wound, Wire Wound, Nonprecision, Precision, General Requirement for. * (Copies of these documents are available online at https:/assist.daps.dla.mil/quicksearch/ or from the S
15、tandardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.) * Commercial products. As part of the market analysis and research effort, this CID specification sheet was coordinated with the following manufacturers of commercial products. At the time of CID speci
16、fication sheet preparation and coordination, these manufacturers were known to have commercial products that would meet the requirements of this CID specification sheet. (NOTE: This information should not be considered as a list of approved manufacturers or be used to restrict procurement to only th
17、e manufacturers shown). MFRs CAGE MFRs name and address 08815 Honeywell Sensing and Controls 245 Railroad Street Woonsocket, RI 02895 Formerly known as New England Instruments Phone: 1-800-537-6945 Fax: 815-235-6545 Email: Website: * Part number (P/N) supersession data. This CID specification shee
18、t PINs supersedes the following manufacturers P/N as shown in table I. This information is being provided to assist in reducing proliferation in the Government inventory system. TABLE I. P/N supersession data. CID coded number MFRs CAGE MFRs P/N 1/ AA5949701* 08815 SC* or MC* 1/ The manufacturers P/
19、N shall not be used for procurement to the requirements of this CID specification sheet. At the time of preparation of this CID specification sheet, the aforementioned commercial products were reviewed and could be replaced by the CID PIN shown. For actual part marking requirements, see paragraph 3.
20、9 of A-A-59497. Government users. To acquire information on obtaining these resistors from the Government inventory system, Defense Supply Center, Columbus, ATTN: DSCC-CPB, Post Office Box 3990, Columbus, OH 43218-3990, or telephone (614) 692-7678. Provided by IHSNot for ResaleNo reproduction or net
21、working permitted without license from IHS-,-,-A-A-59497/1A 5 * National Stock Number. This section is not applicable to this CID specification sheet. * Changes from previous issue. The margins of this CID specification sheet are marked with an asterisk to indicate where changes from the previous is
22、sue were made. This was done as a convenience only and the Government assumes no liability whatsoever for any inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the requirements of this document based on the entire content irrespective of the marginal notations and re
23、lationship to the last previous issue. MILITARY INTERESTS: CIVIL AGENCY COORDINATING ACTIVITY: Custodian GSA - 7FXE NAVY - EC Preparing Activity: DLA - CC DLA - CC Project 5905-2010-015 NOTE: The activities listed above were interested in this document as the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information above using the ASSIST Online database at https:/assist.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
