NAVY MIL-I-8974 A (2)-2001 INDICATOR EVENT COUNTING GENERAL SPECIFICATION FOR《事件指示器一般规范》.pdf
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1、MIL-I-8974AAMENDMENT 202 April 2001SUPERSEDINGAMENDMENT 102 May 1988MILITARY SPECIFICATIONINDICATOR, EVENT COUNTING, GENERAL SPECIFICATION FORThis amendment forms a part of MIL-I-8974A, dated 15 July 1981, and is approved foruse by all Departments and Agencies of the Department of Defense.PAGE 1Dele
2、te 2.1 and substitute with the following paragraphs:“2.1 Government documents .2.1.1 Specifications and standards . The following specifications and standards form a partof this specification to the extent specified herein. Unless otherwise specified, the issues of thesedocuments shall be those list
3、ed in the issue of the Department of Defense Index of Specificationsand Standards ( DoDISS) and supplement thereto, cited in the solicitation.”At the bottom of page to the left of “FSC 6620” add the following:“AMSC N/ADISTRIBUTION STATEMENT A . Approved for public release; distribution is unlimited.
4、”PAGE 2Under SPECIFICATIONS, MILITARY delete the following:“MIL-I-8 974/1 Indicator, Events, Miniature, Digital, 28 VDC”AMSC N/A 1 of 4 FSC 6620DISTRIBUTION STATEMENT A . Approved for public release; distribution is unlimited .INACTIVE FOR NEW DESIGN AFTER 30 AUGUST 1999INCH-POUNDProvided by IHSNot
5、for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-I-8974AAMENDMENT 22Directly above 3. REQUIREMENTS, add the following:“2.3 Order of precedence . In the event of a conflict between the text of this specificationand the references cited herein (except for MS standards
6、 and specification sheets), the text of thisspecification shall take precedence. Nothing in this specification, however, shall supersedeapplicable laws and regulations unless a specific exemption has been obtained.”* 3.2: Delete and substitute:“3.2 First article . When specified (see 6.2), a sample
7、shall be subjected to first articleinspection in accordance with 4.3.”PAGE 5Delete 3 .8.3 and substitute the following:“3.8.3 Filling medium . The filling medium shall be of at least 98 percent purity and free ofdust particles. The filling medium may not contain more than .006 milligram of water vap
8、or (dewpoint 65 C or 85 F maximum) at the filling pressure. The filling medium shall consist of 100percent helium (preferred), a mixture of 88 to 92 percent nitrogen and the remainder helium, or amixture of inert noble gases (such as argon and helium). The absolute pressure of the fillingmedium in t
9、he case shall be a minimum of one atmosphere.”PAGE 8Delete 4.1 and substitute with the following two paragraphs:“4.1 Responsibility for inspection . Unless otherwise specified in the contract or purchaseorder, the contractor is responsible for the performance of all inspection requirements as specif
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