ARMY MIL-D-20505 D (2)-1995 DETONATION SIMULATOR EXPLOSIVE M80 LOADING ASSEMBLING AND PACKING《M80型炸药引爆模拟器的装载 组装和包装》.pdf

1、 MIL-D-20505D (2) 999990b 2007102 329 M MIL-D-20505D (AR) AMENDMENT 2 16 August 1995 SUPERSEDING AMENDMENT 1 10 January 1986 MILITARY SPECIFICATION DETONATION, SIMULATOR, EXPLOSIVE, M80, LOADING, ASSEMBLING AND PACKING This Amendment forms a part of Military Specification MIL-D-20205D (AR), dated 15

2、 May 1984, and is approved for use by the U.S. Army Armament, Research, Development and Engineering Center and is available for use by all Departments and Agencies of the Department of Defense. PAGE 8 4.4.2.1, Minor 201: Delete “inside diameter“ and replace with “wall thickness II . PAGE 9 4.4.2.2,

3、Minor 201: Delete “outside diameter“ and replace with “wall thickness“. PAGE 10 * * * * 4.4.2.3 : Body Assembly, Minor 201, delete “Crimp length“ and substitute “Crimp length (when applicable)“. applicable) O .65% 3.2 Visual“. Add Minor 204: “204 Epoxy missing or improperly applied (when PAGE 11 4.4

4、.2.4: Under Title, delete alAssembly“ and substitute “Detonation, Major 101: Delete “in assembly“ and substitute “in simulator“. Simulator, Explosive, M8O“. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-20505D (2) m 99999Ob 2007303 2b5 m * *

5、MIL-D-20505D (AR) AMENDMENT 2 PAGE 15 4.4.3.1.2: Complete assembly. Delete in its entirety. PAGE 16 4.5.1.1: Delete entire paragraph and replace with the following: *. “4.5.1.1 Moi r .An accurately weighed portion of (3) grams (9.) of the charge composition shall be transferred to a tared dish. The

6、moisture dish and contents shall be placed in a drying oven at 70 2OC for 4 hours, cooled in a desiccator and weighed. The percentage of moisture in the sample shall be calculated as follows: Percentage of Moisture = 100A W Where : A = loss in weight of moisture dish and contents. W = weight of samp

7、le, g.“ PAGE 17 4.5.1.3: Moisture content of complete assembly. Delete in its entirety. 4.5.2: Delete entire paragraph and replace with the following: “4.5.2 Charae comnosition analv&. 4.5.2.1 Procedu re. Transfer an accurately weighed portion of approximately 2 grams of the flash powder that was dr

8、ied for the moisture determination to a tared crucible. Wash the sample between 10 and 15 times-with 5 milliliter portions of cold carbon disulfide and rinse with ether. Continue washing the sample with fifteen, 20 milliliters portions of cold distilled water, allowing each wash of the water to rema

9、in in contact with the sample approximately 1 minute before applying suction. Aspirate the crucible and contents thoroughly, and dry in an oven maintained at a temperature of 100 plus 5 degrees C. The crucible and contents shall be cooled in a desiccator and weighed. To the contents remaining in the

10、 crucible, add several portions of hot dilute hydrochloric acid until the reaction subsides. After all reaction has ceased, wash the residue with several portions of hot water. Dry the crucible and contents in the 100 plus 5 degree C oven and then cool in a desiccator and weigh. Calculate the percen

11、t of aluminum as follows: P 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-D-20505D (2) 9999906 2007LOY LTL MIL-D-20505D (AR) AMENDMENT 2 Percent aluminum = (A-B) 100 divided by W Where : A = weight of crucible and contents after the carbon d

12、isulfide and water extraction. B = weight of crucible and contents after the acid extraction. C = weight of the sample. Determine the percentage of black powder by subtracting the percentage of aluminum from 100.“ 4.4.2.4, Add paragraph: “4.5.2.4 Alternative method. An alternate analysis by direct a

13、tomic absorption spectrometer measurement per MIL-STD-286 method T316.1 may be used. The inspection equipment and procedures shall be submitted for approval. (See 6.3) I Note: The margins of this amendment are marked with an asterisk or vertical line to indicate where changes (additions, modificatio

14、ns, 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. 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: AW-AR Preparing activity: Army-AR (Project 137 O -0006 ) 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-