1、flIL-F-V8275 (1) = 99999Ob 202bObL 995 IINCH-POUND I MIL-F-48275 (AR) AMENDMENT 1 29 October 1996 MILITARY SPECIFICATION FUZE, PIBD, M550; TEST VEHICLE FOR METAL PARTS AND LOADING, ASSEMBLING AND PACKING This amendment forms a part of MIL-F-48275(=), dated 18 March 1974, and is approved for use by t
2、he US Army Research, Development and Engineering Center, and is available for use by all Departments and Agencies of the Department of Defense. PAGE 7 4.5.1, Delete in its entirety and substitute: “4.5.1 Specific gravity of inert material. The specific gravity of the inert material shall be determin
3、ed as follows Weigh the empty cup and skirt assembly in grams and record as We. - + 2 degrees F., weigh in grams and record the weight as Ww. Determine the volume by subtracting We from We. assembly with inert material. Surface of inert material to meet depth requirement, or liner assembly cavity ma
4、y be formed or drilled. W1. in grams and record the weight as Wb. gravity as follows: Fill the empty assembly with water at 75 degrees Load the Weigh the assembly in grams and record the weight as Fill assembly with water at 75 degrees + 2 degrees F., weigh Calculate the specific Specific Gravity =
5、W1 - We (Ww - we) - (Wb - W1) Alternate method for specific gravity determination. Prior to assembly, weigh empty body assembly with liner assembly and retainer in air (grams). Record the weight as A“. Prior to assembly, weigh the same empty body assembly with liner assembly and retainer submerged i
6、n water (grams). Record the weight as B“. AMSC N/A 1 of 2 FSC 1390 DI8TRIBUTION STA- A. Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-48275 (1) = 0b 20260b2 821 MIL-F-48275 (AR) AMENDMEN
7、T 1 Dry the components and load with inert material using normal production methods. Weigh the loaded assembly in air (grams). Record the weight as C“. Weigh the loaded assembly submerged in water (grams). Record the weight as “D“. Calculate the specific gravity of charge as follows: C-A Specific Gr
8、avity - (C-A) - (D-B) The margins of this amendment are marked with an asterisk or vertical lines to indicate where changes (additions, modifications, corrections, deletions) from the previous amendment were made. Government assumes no liability whatsoever for any inaccuracies in these notations. ev
9、aluate the requirements of this document based on the entire content irrespective of the marginal notations and relationship to the last previous amendment. This was done as a convenience only and the Bidders and contractors are cautioned to Custodian: Army-= Preparing activity: Army-AR (Project 1390-0856) 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
