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本文(ARMY MIL-H-46354A (2)-1986 HEADREST OPTICAL INSTRUMENT《光学仪器头枕》.pdf)为本站会员(lawfemale396)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

ARMY MIL-H-46354A (2)-1986 HEADREST OPTICAL INSTRUMENT《光学仪器头枕》.pdf

1、MIL-H-LIb354A (2) 12 m 7777706 0311434 4 m MIL-H-46354A (AR) AMENDMENT 2 7 MAT 1986 SUPERSEDING AMENDMENT 1 18 December 1974 MILITARY SPECIFICATION HEADREST, OPTICAL INSTRUMENT This Amendment forms a part of Military Specification MIL-H-46354A(MU) dated 21 October 1974, and is approved for use withi

2、n 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 * 1.2: Add “Type III - Without Mounting Bracket“. * 2.1, List of Specifications: Delete “MIL-F-45133 Fire Control Components and AssemblPec“ . PAGE

3、2 * 2.1, List of Standards: Delete “MIL-STD-417 Rubber Composition Vulcanized General Purpose, Solid (Symbols and Tests) I * Add new paragraph 2.2 as follows: “2.2 Other publications. The following documents form a part of this specification to the extent specified herein. Unless otherwise specified

4、, the issues of the documents which are DoD adopted shall be those listed in the issue of the DoDISS specified in the solicitation. Unless otherwise specified, the issues of documents not listed in the DoDISS shall be the issue of the nongovernment documents which is current on the date of the solic

5、itation. 1 of 3 AMSC N/A FSC 1240 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Licensed by Information Handling Services* * * * * * MIL-H-Llb354 (2) 12 M 7777906 0333435 b MIL-H-46354A (AR) AMENDMENT 2 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) ASTM-D-471

6、Rubber Property, Effects of Liquids ASTM-D-2000 Rubber Products in Automotive Applications (Application for copies of ASTM publications should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, Pennsylvania 19103. ) I 3.2: Delete “Materials shall be as sp

7、ecified on the applicable drawing.“ 3.3: Delete “Type I or Type II“ and substitute “Type I, Type II, or Type III“. Add new paragraph 3.3.4 as follows: “3.3.4 Type III. Type III headrests shall consist of a 0.02 inch thick elastomeric skin.“ PAGE 3 3.7.2: Delete in its entirety and substitute the fol

8、lowing: “3.7.2 Type II and Type III. Type II and Type III specimens previously subjected to the accelerated aging test shall require a unit pressure of not more than 20 psi to attain 25 percent compression deflection at -40F + 2OF after thermal stabilization at this temperature for 20 to 24 hour s.

9、3.9.3: Delete in its entirety and substitute the following: “3.9.3 Oil resistance. The coating material shall comply with oil resistance requirements; percent volume change O to 120 percent when tested at +212OF (100OC) in ASTM oil #3 for 70 hours per ASTM-D-471.“ PAGE 4 4.3: Add sentence in fifth l

10、ine, after “Figure I“: “Test specimens for Type III shall be in accordance with Figure II without the bonded steel plates.“ 2 Licensed by Information Handling ServicesMIL-H- 46 3 54A (AR) AMENDMENT 2 PAGE 5 * Table I, Item 4b: Change to: “(b) Type II or Type III 3.7.2 4.6.6 I PAGE 8 * 4.6.6: Change

11、title line to: “4.6.6 Low temperature flexibility (type I, type II, and type III).“ * 4.6.7.1: Change first sentence to: “The test specimen shall be a sample specimen of either Type I, Type II, or Type III construction, as required, and shall be a specimen not previously used in other tests.“ PAGE 1

12、0 * 6.2: Delete “U.S. Army Armament Command, Frankford Arsenal, Philadelphia, PA 19137, ATTN: SARFA-MDM“ and substitute “US Army Armament Research, Development and Engineering Command, Dover, NJ 07801-5001, ATTN: AMSMC-QAF(D)“. *The margins of this amendment are marked with an asterisk or vertical l

13、ines to indicate where changes (additions, modifica- tions, corrections, deletions) frm 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. Bidders 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: Army-AR (Pro j ec t 12 4 O -A6 4 O ) 3 Licensed by Information Handling Services

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