1、1 of 4 MIL-W-71069 (AR) AMENDMENT 3 14 November 2001 SUPERSEDING AMENDMENT 2 30 September 1996 MILITARY SPECIFICATION WARHEAD, 2.75 INCH ROCKET, FLECHETTE: XM255E1 This amendment forms a part of MIL-W-71069 (AR), dated 19 March 1992, and is approved for use by the U.S. Army Armament Research, Develo
2、pment, and Engineering Center and is available for use by all Departments and Agencies of the Department of Defense. Delete “XM255E1” and substitute “M255A1” wherever it appears in this document. PAGE 2 * 2.1.2: Delete “13058370-13” and substitute “13058370-13/25”. PAGE 4 Add new paragraph 3.3.10 as
3、 follows: “3.3.10 Environmental protector pushoff test. The environmental protector shall withstand a push-off test of 4.0 lbs. minimum and 17.0 lbs. maximum. The push-off test fixture shall simulate the umbilical lead connector with the push-off force applied through the fixture to the closed end o
4、f the environmental protector. Testing shall be as specified in 4.5.11.” PAGE 6 4.3.1: Under Part Description, Add: “Protector, Environmental 9349897 15”. * Delete “Warhead, 2.75 Inch Flechette: 13282664-1 100” and substitute “Warhead, 2.75 Inch Flechette: 13282664-1 108”. AMSC N/A FSC 1340 DISTRIBU
5、TION STATEMENT A. Approved for public release: distribution is unlimited. INCH-POUND Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-W-71069 (AR) AMENDMENT 3 2 PAGE 11 TABLE I. First article inspection: Add: “Protector, Environmental (Dwg. 934989
6、7) Push-off test 15 3.3.10 4.5.11 Examination for defects 15 3.1 4.4.2.25”. * Delete “100” and substitute “108” in four (4) places. PAGE 21 * 4.4.2.8: Delete “13282663” and substitute “ 9334131”. * Delete “Machine finish 125 incorrect” and substitute “Machine finish 63 incorrect”. PAGE 37 Add new pa
7、ragraph 4.4.2.25 included PAGE 3 (37a). PAGE 38 * 4.5.2: Delete “assembled to MK66 Mod 1, MK 66 Mod 2 or MK66 Mod 3 rocket motors” and substitute “assembled to MK66 Mod 1, MK 66 Mod 2 or MK66 Mod 3, or MK66 Mod 4 rocket motors”. PAGE 40 * 4.5.8: Delete “ Dwg.13058370-13” and substitute “Dwg. 1305837
8、0-13 or 13058370-25”. PAGE 43 * 4.5.9: Delete “ Dwg.13058370-13” and substitute “Dwg. 13058370-13 or 13058370-25”. Add new paragraph 4.5.11 as follows: “4.5.11 Push-off test. A push-off test shall be set up to simulate the removal of the environmental protector. The dimensions of the simulated umbil
9、ical cable connector, where the environmental protector fits on, shall have 0.368 + 0.001 inch large outside diameter, 0.273 + 0.001 inch small outside diameter, and 0.157+ 0.001 inch width of the large outside diameter. The surface shall have a 32 micro-inch finish all over. A steady load shall be
10、applied with a hemispherical (180 + 0.005 inch radius) plunger against the inside surface of the environmental protector. Any environmental protector that does not meet the required load shall be classified defective.” Provided by IHSNot for ResaleNo reproduction or networking permitted without lice
11、nse from IHS-,-,-QUALITY CONFORMANCE INSPECTIONCLASSIFICATION OF CHARACTERISTICS MIL-W-71069 (AR)Amendment 3PARAGRAPHTITLEDRAWING NUMBER4.4.2.25Protector, EnvironmentalSHEET 1 OF 19349897NEXT HIGHER ASSEMBLYCLASSIFICATIONEXAMINATION OR TEST CONFORMANCE REQUIREMENT9333825/9345168CRITERIA PARAGRAPH IN
12、SPECTION METHOD REFERENCE CriticalNone defined.Major101Push-off testLevel III3.3.104.5.11Minor201Evidence of poor workmanshipLevel IV3.5VisualNOTES:. AMSMC FORM 1570b-E,1 Jul 89 Replaces AMSMC Form 1570, 1 Feb 85, which may not be used.3 (37a) Provided by IHSNot for ResaleNo reproduction or networki
13、ng permitted without license from IHS-,-,-MIL-W-71069 (AR) AMENDMENT 3 4 NOTE: The margins of this amendment are marked with asterisks to indicate where changes from the previous amendment were made. This was done as a convenience only, and the Government assumes no liability whatsoever for any inac
14、curacies in these notations. Bidders and contractors are cautioned to evaluated the requirements of this document based on the entire content, irrespective of the marginal rotations and relationship to the last previous amendment. Custodian: Preparing activity: Army-AR Army-AR (Project 1340-1026) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
