ARMY MIL-T-13333 B (3)-1988 TELESCOPE M49《M49型望远镜》.pdf

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1、r MIL-T-13333B (3) bb = 99999Ob 0128627 7 W F-13- os IINCH-POUND! MIL-T-13333B (AR) AMENDMENT 3 21 October 1988 SUPERSEDING AMENDMENT 2 20 January 196.9 MILITARY SPECIFICATION TELESCOPE, M49 This Amendment forms a part of Military Specification MIL-T-l3333B(MU), dated 28 May 1965, and is approved fo

2、r use-within the U.S. Army Armament, Munitions and Chemical Command and is available for use by all Departments and Agencies of the Department of Defense. PAGE 1 * 2.1, DRAWINGS: Delete “Army Munitions Command“ and substitute “Armament Research, Development and Engineering Center ( ARDEC) II . Delet

3、e “IEL7578445“. PAGE .2 _- i 3.2, line 2 : Delete If ollowing“ and I ( a) I through I ( e ) U. 3.5.1: Delete in its entirety and substitute: L- “3.5.1 Resolution, Resolution on the optical axis shall be 5 seconds or less at one focus setting of an auxiliary telescope of at least 3 power and at least

4、 1/2 inch aperture. Resolution consists of detectable line structure and proper line count. I PAGE 3 Add new paragraphs 4.1.2, 4.1.2.1, and 4.1.2.2 as follows: “4.1.2 First article (initial production) approval. The requirement for first article approval and the responsibility (Government or contrac

5、tor) for first article approval tests shall consist-of three (3) telescopes plus three (3) each of all items covered by QAP. The sample shall be manufactured in the same manner, using the same materials, equipment, processes, and procedures as used in regular production. All parts and materials, inc

6、luding packaging and packing, shall be , obtained from the same source of supply as used in regular production. AMSC N/A I - 1 of 3 FSC 6650 - DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted withou

7、t license from IHS-,-,-MIL-T-13333B (3) bb W 777770b O12b2 O MIL-T-13333B (AR) AMENDMENT 3 4.1.2.1 Government testinq. When the Government is responsible for conducting first article approval tests, the contractor, prior to submitting the sample to the Government, shall inspect the sample to insure

8、that it conforms to all the requirements of the contract and submit a record of this inspection with the sample, including certificates of conformance for materials. 4.1.2.2 Contractor testinq; When the contractor is responsible for conducting first article approval tests, the sample shall be inspec

9、ted by the contractor for all the requirements of the contract. The sample and a record of this inspection, including certificates of conformance for materials, shall be submitted to the Government for approval. The Government reserves the right to witness the contractors inspection. * 4.2.2, line 3

10、 : Delete “supplementary“. Delete “(SQAP)“ and substitute “(QAP)“. Line 4: Delete “listed in-, IEL7578445“. TABLE I: Add “106 Fabrication 3.1 Visual/Tactile“ . - PAGE 4 * 4.3.1: Delete in its entirety. * 4.4.2.1, line 4: Delete “and the-, IEL7578445“. PAGE 6 4.5.2.4, Delete in its entirety and subst

11、itute: “4.5.2.4 Resolution. This test is performed with the test equipment aligned as specified in 4.5.2.3. Set the collimator projector to minimum target distance and sight through the telescope to obtain a sharp image of the vertical and horizontal reticle lines of the collimator. obtained by adju

12、sting the telescope eyepiece. telescope shall be positioned at the eyepiece assembly of the This image is The observation 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-33333B (3) bb 9999906 0328629 2 M MIL-T-13333B (AR) AMENDMENT 3 telescop

13、e. The focus of the observation telescope and eyepiece shall be established at one best focus setting for viewing the detectable line structure and proper line count of the resolution target. Resolution of the telescope optical system sh-all meet the requirements of 3.5.12.“ The margins of this amen

14、dment are marked with an asterisk or vertical lines to indicate where changes (additions, modifications, corrections, deletions) from the previous amendment were made. This was done as a convenience only and the Government assumes no liability whatsoever for any inaccuracies in these notations. Bidd

15、ers and contractors are cautioned to evaluate the requirements of this document based on the entire content irrespective of the marginal notations and relationship to the last previous amendment. Custodian: Army-AR Preparing activity: ArmyyAR (Project 6650-A168) 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-