1、 Beneficial comments, recommendations, additions, deletions, clarifications, etc. and any data that may improve this document should be sent to: STDZNMGTdla.mil or Defense Supply Center Richmond (DSCR), ATTN: DSCR-VEB, 8000 Jefferson Davis Highway, Richmond, VA 23297-5616. AMSC N/A FSC 3460 NOT MEAS
2、UREMENT SENSITIVE A-A-50970A 30 May 2007 SUPERSEDING A-A-50970 10 April 1984 COMMERCIAL ITEM DESCRIPTION ARBORS, DRILL CHUCK, TAPER SHANK WITH TANG The General Services Administration has authorized the use of this commercial item description for all federal agencies. 1. SCOPE. This commercial item
3、description (CID) covers solid taper shank arbors, which are used to adapt a drill chuck having a tapered mount hole to a drilling machine having a tapered mount hole. 2. CLASSIFICATION. The arbors shall be of the following sizes as listed in table I, which are based on the number and type taper on
4、the shank end of the arbor and the number and type taper on the mounting end of the arbor (see 7.3(b). TABLE I. Sizes. Size Number and type shank taper Number and type mount taper 01 0 Morse 0 Jacobs 02 0 Morse 3 Jacobs 03 0 Morse 33 Jacobs 04 1 Morse 0 Jacobs 05 1 Morse 1 Jacobs 06 1 Morse 2 Jacobs
5、 07 1 Morse 3 Jacobs 08 1 Morse 4 Jacobs 09 1 Morse 6 Jacobs 10 1 Morse 33 Jacobs 11 2 Morse 0 Jacobs Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-50970A 2 TABLE I. Sizes - Continued. Size Number and type shank taper Number and type mount tape
6、r 12 2 Morse 1 Jacobs 13 2 Morse 2 Jacobs 14 2 Morse 3 Jacobs 15 2 Morse 4 Jacobs 16 2 Morse 5 Jacobs 17 2 Morse 6 Jacobs 18 2 Morse 33 Jacobs 19 3 Morse 1 Jacobs 20 3 Morse 2 Jacobs 21 3 Morse 3 Jacobs 22 3 Morse 4 Jacobs 23 3 Morse 5 Jacobs 24 3 Morse 6 Jacobs 25 3 Morse 33 Jacobs 26 4 Morse 2 Jac
7、obs 27 4 Morse 3 Jacobs 28 4 Morse 4 Jacobs 29 4 Morse 5 Jacobs 30 4 Morse 6 Jacobs 31 4 Morse 33 Jacobs 32 5 Morse 2 Jacobs 33 5 Morse 3 Jacobs 34 5 Morse 4 Jacobs 35 5 Morse 5 Jacobs 36 5 Morse 6 Jacobs 37 7 Brown & Sharp 2 Jacobs 38 7 Brown & Sharp 3 Jacobs 39 7 Brown & Sharp 6 Jacobs 40 9 Brown
8、& Sharp 3 Jacobs 41 9 Brown & Sharp 4 Jacobs 42 9 Brown & Sharp 6 Jacobs 43 10 Brown & Sharp 3 Jacobs 44 10 Brown & Sharp 4 Jacobs Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-50970A 3 3. SALIENT CHARACTERISTICS 3.1 Materials. The arbors shall
9、 be made from high grade steel suitable for the purpose intended. Each taper shall be precision ground and shall conform to dimensions and tolerances of ASME B5.10, “Machine Tapers (Self Holding and Steep Taper Series)“. 3.2 Finish. Surfaces shall be smoothly ground and free from wheel and chatter m
10、arks and other imperfections that may affect their accuracy, appearance, or serviceability. 3.3 Roundness. Each arbor shall be round within 0.001 inch total indicator reading. 3.4 Nameplate. a. Nomenclature. b. Manufacturers name. c. Manufacturers model designation. d. Taper size (see table I). 4. R
11、EGULATORY REQUIREMENTS 4.1 Recovered materials. The offeror/contractor is encouraged to use recovered materials to the maximum extent practicable, in accordance with paragraph 23.403 of the Federal Acquisition Regulation (FAR). 5. PRODUCT CONFORMANCE PROVISIONS 5.1 Product conformance. The products
12、provided shall meet the salient characteristics of this CID, conform to the producers own drawings, specifications, standards, and quality assurance practices, and be the same product offered for sale in the commercial marketplace. The government reserves the right to require proof of such conforman
13、ce. 5.2 Market acceptability. The product offered must have been previously sold either to the government or on the commercial market. 6. PACKAGING 6.1 Preservation, packing, and marking. Preservation, packing, and marking shall be as specified in the acquisition order (see 7.3(c). Provided by IHSNo
14、t for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-50970A 4 7. NOTES 7.1 Part or identification number (PIN). The following PIN procedure is for government purposes and does not constitute a requirement for the contractor. Example of reference part number: AA50970 -
15、 04 7.2 Sources of documents. 7.2.1 FAR. The FAR may be obtained from the Superintendent of Documents, P.O. Box 371954, Pittsburgh, PA 15250-7954. Electronic copies of FAR documents may be obtained from http:/www.arnet.gov/far/. 7.2.2 ASME standards. Copies of ASME standards may be obtained from ASM
16、E International, Three Park Avenue, New York, NY 10016-5990. Electronic copies of ASME standards may be obtained from http:/www.asme.org/. 7.3 Ordering data. The acquisition order should specify the following: a. CID document number, revision, and CID PIN. b. Arbor size (see 2). c. Preservation, pac
17、king, and marking (see 6.1). 7.4 Subject term (key word) listing. Brown & Sharp drilling machine Jacobs Morse mount hole Size: See table I AA50970 - XX CID number Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-50970A 5 MILITARY INTERESTS: CIVIL
18、AGENCY COORDINATING ACTIVITY: Custodian: Air Force - 99 GSA - FSS Review Activity: Air Force - 84 Preparing Activity: DLA - GS6 (Project 3460-2006-002) NOTE: The activities listed above were interested in this document as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information above using the ASSIST database at http:/assist.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
