1、M distribution is unlimited.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-70525 (AR)AMENDMENT 6* 3.3.5.3, Delete in its entirety and substitute the following :“3.3.5.3 Surface voids. Surface voids shall not exceed l/16 inch in greatest dimens
2、ion, the totalnumber of voids in a square inch area shall be less than 10 with a total area of less than .25 squareinches.”3.7, Delete in its entirety and substitute the following:“3.7 Proving ground test. There shall be no motor body bonding assembly related prematureexplosive function, collapse, s
3、eparation or break-up of metal parts in the gun bore or in flight.Testing shall be as specified in 4.5.8.”3.8.2, Delete “(See Figure 1)” and substitute “(See Figure 3)”PAGE 10Add new Figure 3 as included page 10a.PAGE 124.3.1.1:Line 3, change “4.32” to “4.3.1.2”Change “Finished Machined Motor Bodies
4、 Unpainted and Unknurled” to “MechanicalProperties”Delete, “4.4.3.214.5.5” and substitute “4.4.3.1/4.5.7”PAGE 14Table I:Under “Finished Machined Motor Bodies Unpainted and Unknurled”, Delete“4.4.3.2i4.5.5” andsubstitute “4.4.3.1/4.5.7”Under “Nozzle Inserts, Compression Test”, Delete “3.6.1” and subs
5、titute “3.8.1”Under “Radiographic Inspection”, Delete “3.62” and substitute “3.82”PAGE 174.4.2.1, Delete the title in its entirety and substitute “Motor Body, Prior to Weld”2Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MLP-70525 (AR)AMENDMENT bX-R
6、AY INSPECTION ZONESFigure 3. X-ray of nozzle.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-4.4.2.2 :MIL-P-70525 (AR)AMENDMENT 6PAGE 18Delete title in its entirety and substitute “Motor Body, Protective Coating”Add the following Specials:“2. Ultraso
7、nic C-Scan test 100% 3.63. Ultrasonic C-Scan test stamp missing 100% 3.2Major 107, Add “(if applicable)”PAGE 204.4.2.2:Delete paragraph number “4.4.2.2” and substitute “4.4.2.3”Delete Major defects 102 and 103 in their entirety and substitute the following:“102. Salt spray test 4.4.3.6.1 3.2103. Pro
8、tective coating and thickness 4.4.3.6.2 3.2Major 104, Change “3.10” to “3.2”Major 134, Delete in its entirety.Delete Major defects 142 and 143 in their entirety and substitute the following:“142. Mechanical properties of body 4.4.3.1.2 3.2143. Properties of rotating band weld 4.4.3.2 3.2Add new mino
9、r defect 211 as follows:“2 11. Radius at cavity base Level V 3.2PAGE 234.4.2.4:4.5.4Visual”4.5.5.14.5.5.2”4.5.74.5.2”4.4.3.7lGage”Delete Major 101, 102, 103, and Minor 201 in their entirety and substitute the following:“ 10 1. Radiographic inspection 100% 3.8.2 4.5.3.2102. Grain flow 4.4.3.5.1 3.2 4
10、.4.3.5.24Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-70525 (AR)AMENDMENT 6103. Compression test 4.4.3.5.1 3.8.1 4.5.3.1201. True position of throat diameterwith outside diameter Level V 3.2 Gage”Major 105, Delete “(2 Places)”Add Major 111 a
11、s follows:“111. Angle, aft end Level III 3.2 Gage”PAGE 244.4.2.5:Delete Major defect 101 and 102 in their entirety and substitute the following:“101. Adhesive not present on forward O.D. nozzle edge or rear nozzle I.D. edge (360 degreescoverage required) 100% 3.2 Visual102. Gap between aft end of no
12、zzle and motor body Level III 3.2 Gage”4.4.3.2.1:Delete the second and third sentences and substitute the following:“The chips for the sample shall consist of the copper overlay between 4.20-.Ol and 4.223-.Olinches diameter (full width). All of the chips shall be collected, crushed, and dissolved (s
13、ee6.8.1).”Sixth sentence, delete “samplie” and substitute “sample”PAGE 304.4.3.8.1:Delete “4.5.9” and substitute “4.5.8”Change “3.10” to “3.7”4.4.3.8.2:Add before the last sentence: “If the lot is rejected, the acceptance criteria reverts back to thebeginning of the paragraph.”Delete “4.5.9” and sub
14、stitute “4.5.8”5Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MLP-70525 (AR)AMENDMENT 6Change “3.10” to “3.7”PAGE 334.5.4.1, Second paragraph, first sentence, delete “reviuosly” and substitute “previously”PAGE 344.5.5.1, Delete “4.4.3.5.1” at the e
15、nd of the paragraph and substitute “4.4.3.6.1”4.5.8, Delete in its entirety and substitute the following:“4.5.8 Proving ground. Ballistic testing shall be performed at a Government proving ground inaccordance with the applicable acceptance test procedure. The sample motor body assembliesselected in
16、accordance with 4.4.3.8 shall be live loaded with rocket propellant grain and delayassemblies, then assembled with TNT loaded warhead and conditioned to 145-5 degrees F for 16hours minimum prior to firing rocket on in a Ml 19 series howitzer using a PXR200 propellingcharge conditioned to 70 + 2.5 de
17、grees F. The warheads shall be fuzed with M577 series MTSQfuzes set to 40 seconds selected by the proving ground. Photographic and radar coverage shall beprovided to assure compliance with 3.7. Range and deflection shall be recorded for informationalpurposes only.”(Note paragraph 4.5.8.1 added in am
18、endment 4 has been deleted by amendment 5)PAGE 354.5.9, Delete in its entirety.5.1, Add the following:“with MLSTD-1169, Level C. Appropriate cushioning and partitions shall be provided toprotect the items from contracting each other during shipment. Sufficient fillers must be used toinsure a tight p
19、ack. Adequate corrosion protection shall be provided, if required.”6, Notes, add the following parenthetical note:“(This section contains information of a general or explanatory nature that may be helpful, but isnot mandatory.)”6.2, Delete in its entirety and substitute the following:“6.2 Acquisitio
20、n requirements. Acquisition documents must specify the following:a. Title, number, and date of the specification.b. Issue of DODISS to be cited in the solicitation, and if required, the specific issues ofindividual documents referenced (see 2.1.1)”6Provided by IHSNot for ResaleNo reproduction or net
21、working permitted without license from IHS-,-,-MIL-P-70525 (AR)AMENDMENT 66.3, Delete in its entirety and substitute the following:“6.3 Consideration of data requirements. The following data requirements should be consideredwhen this specification is applied on a contract. The applicable Data Item D
22、escriptions (DIDs)should be reviewed in conjunction with the specific acquisition to ensure that only essential dataare requested/provided and that the DIDs are tailored to reflect the requirements, a Contract DataRequirements List (CDRL) (DD Form 1423) must be prepared to obtain the data, except wh
23、ereDOD FAR Supplement 27.475-l exempts the requirements for a DD Form 1423.Reference paragraph DID Number4.4.4 OT-90- 12009DID TitleAIE DesignDocumentationSuggested TailoringNoneThe above DIDs were those cleared as of the date of this specification. The current issue of DOD5010.12L, Acquisition Mana
24、gement systems and Data Requirements Control List (AMSDL) mustbe researched to ensure that only current, cleared DIDs are cited on the DD Form 1423.”PAGE 366.4 Delete in its entirety and substitute the following:“6.4 Submission of inspection equipment for design approvals. Gage designs as required s
25、hallbe submitted to: M913/M927 QUAL. ENGR. (AMSTA-AR-QAA-R), US ARMY ARDEC,PICATINNY ARSENAL, NJ 07806-5000. This address shall be specified to the Contract DataRequirement List, DD Form 1423 in the contract.”6.7, Change “AMSMC-QAA-Q” to “AMSTA-AR-QAA-R” and “SMCAR-FSA-IM” to “AMSTA-AR-FSA-M”6.8.1,
26、Add the following new paragraph :“6.8.1 Chemical analysis. An equivalent method may be submitted to the Government forapproval.”The margins of this amendment are marked with an asterisk or vertical line to indicate where changes(additions, modifications, corrections, deletions) from the previous ame
27、ndment were made. This wasdone as a convenience only and the Government assumes no liability whatsoever for any inaccuraciesin these notations. Bidders and contractors are cautioned to evaluate the requirements of this documentbased on the entire content irrespective of the marginal notations and relationship to the last previousamendment.Custodian:Army - ARPreparing activity:Army - AR(Project 13 15-0272)7Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
