1、 MIL-DTL-14852D (AR) 06 August 2009 SUPERSEDING MIL-DTL-14852C (AR) 25 October 2007 DETAIL SPECIFICATION PROJECTILE, 105MM, ILLUMINATING, M314A3 AND PROJECTILE, 105MM, INFRARED ILLUMINATING, M1064 METAL PARTS ASSEMBLY This specification is approved for use by U.S. Army Armament Research, by all Depa
2、rtments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers the metal parts assembly used in two types of 105MM illuminating projectiles. 1.2 Classification. The illuminating projectiles are classified as follows: 1.2.1 Projectile, 105MM, Illuminating, M314A3. Th
3、e M314A3 is a semi-fixed visible-light illuminating cartridge for use with 105MM howitzer systems. The projectile is hereafter referred to as the M314A3. 1.2.2 Projectile, 105MM, Infrared Illuminating, M1064. The M1064 is a semi-fixed infrared illuminating cartridge for use with 105MM howitzer syste
4、ms. The projectile is hereafter referred to as the M1064. AMSC N/A FSC 1315 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Comments, suggestions, or questions on this document should be addressed to the Commander, U.S. Army ARDEC, ATTN: RDAR-QES-E, Picatinny Arsena
5、l, NJ 07806-5000 or emailed to ardecstdznconus.army.mil. Since contact information can change, you may want to verify the currency of this address information using the ASSIST Online database at http:/assist.daps.dla.mil. INCH-POUND Reactivated after 06 August 2009 and may be used for new and existi
6、ng designs and acquisitions Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-14852D (AR) 22. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in sections 3 and 4 of this specification. This section does not
7、include documents cited in other sections of this specification or recommended for additional information or as examples. While every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet all specified requirements of documents cited in sectio
8、n 3 or 4 of this specification, whether or not they are listed. 2.2 Government Documents. 2.2.1 Specifications, standards and handbooks. The following specifications, standards and handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these
9、documents are those cited in the solicitation or contract. FEDERAL SPECIFICATIONS TT-C-490 - Chemical Conversion Coatings and Pretreatments For Ferrous Surfaces (Base For Organic Coatings) DEPARTMENT OF DEFENCE STANDARDS MIL-STD-1168 - Lot numbering of Ammunition and Ammunition Data Card MIl-STD-191
10、6 - DoD Preferred Methods for Acceptance of Product (Unless otherwise indicated, copies of these documents are available online at http:/assist.daps.dla.mil/quicksearch/ or from the Standardization Document order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.) 2.2.2 Other Govern
11、ment documents, drawings and Publications. The following other Government documents, drawings and publications form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. US ARMY ARMAMENT RESE
12、ARCH, DEVELOPMENT AND ENGINEERING CENTER (ARDEC) DRAWINGS 8594851 - Blank, rotating band 9280423 - Magnetic Particle Standard for M314A3 Body 9280424 - Magnetic Particle Standard for Base Plug, 105MM, M314A3 9280429 - Rotating Band Seat Tester 10534900 - Projectile, 105MM, Illuminating M314A3 and In
13、frared Illuminating, M1064 Metal Parts Assembly 10534901 - Body assembly 10534902 - Body 10534903 - Plug, base Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-14852D (AR) 3(Copies of these drawings may be requested online at Pica.Drawing.Requ
14、estconus.army.mil or from U.S. Army ARDEC, ATTN: RDAR-EIS-PE, Picatinny Aresnal, NJ 07806-5000.) 2.3 Non Government publications. The following documents form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the soli
15、citation or contract. ASTM INTERNATIONAL ASTM E8/8M - Standard Test Method for Tension Testing of Metallic Materials ASTM E10 - Standard Test Method for Brinell Hardness of Metallic Materials ASTM B117 - Standard Test Method for Salt Spray (Fog) Testing ASTM E1444 - Standard Test Method for Magnetic
16、 Particle Testing (Copies of this document are available online at http:/www.astm.org or from ASTM International, 100 Barr harbor Drive, West Conshohocken, PA 19428-2959.) ASME INTERNATIONAL ASME B 46.1 - Surface texture (Surface Roughness, Waviness And Lay) (Copies of this document may be requested
17、 online at http:/www.asme.org or from ASME Codes and Standards, 3 Park Avenue, MS/20N2, New York, NY 10016). 2.4 Order of precedence. Unless otherwise noted herein or in contract, in the event of a conflict between the text of this document and the references cited herein, the text of this specifica
18、tion takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-14852D (AR) 43. REQUIREMENTS 3.1 Required insp
19、ection 3.1.1 First article inspection. When specified (see 6.2) a sample shall be subjected to first article inspection in accordance with 4.2 3.1.2 Conformance. A sample shall be subjected to conformance inspection in accordance with 4.3. 3.2 Materials, parts and assemblies. All materials, parts, a
20、nd assemblies shall be in accordance with the requirements in the drawings listed in paragraphs 4.3.2.1 through 4.3.2.7. 3.3 Mechanical properties 3.3.1 Rotating band. After application and subsequent removal from the projectile body, the rotating band shall have the following mechanical properties:
21、 a. Tensile strength of not less than 30,000 pounds per square inch (psi) b. Elongation of not less than 15 percent in 1 inch 3.3.2 Base plug. Mechanical properties specified on drawing 10534903, shall apply throughout the base plug. 3.3.3 Body. Mechanical properties shall be as specified on drawing
22、 10534902. 3.4 Rotating band seating 3.4.1 Rotating band cleanliness. Prior to banding, the band seat shall be clean and free of oil, dirt, grease, rust or other foreign matter. Shot or sandblasting is not permitted for cleaning the band seat after knurling. 3.4.2 Band blank gilding metal. The rotat
23、ing band blank shall be in the form of a solid ring and shall be annealed to comply with the applicable specification. Annealing prior to banding shall not be necessary in the case of hot banding in excess of 800 degrees F. 3.4.3 Application of band blank. The rotating band blank shall be pressed in
24、to the band seat after final heat treatment of the projectile body. The band blank shall be applied in such a manner as not to distort the projectile body. 3.4.4 Sidewall contact. The band blank must contact the sidewall of the band seat for a minimum of eight-tenths of the band seat depth, measured
25、 from the outside surface of the projectile body to the rotating band undercut surface. 3.4.5 Sidewall gap. There shall be no gap between the rotating band and the band seat sidewalls at the outside of the surface of the projectile body after the rotating band has been machined to final dimensions.
26、Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-14852D (AR) 53.4.6 Rotating band clearance. The diametrical clearance between the rotating band and the band seat shall not exceed 0.006 inch, when the destructive method of testing is used; or
27、0.009 inch when the non-destructive method of testing is used. 3.5 Metal defects. 3.5.1 Body. The body, including the cavity, shall be free of cracks, splits, cold shuts, inclusions, pipe, porosity, bursts, folds, seams and other metal defects. 3.5.2 Body cavity. The body cavity shall be free from s
28、cale, fins, burrs, draw marks, laminations, imbedded foreign matter, pits and sharp edges. 3.5.3 Base plug. The base plug shall be free from cracks, splits, cold shuts, inclusions, pipe, porosity, bursts, folds, seams and other metal defects. 3.6 Ballistic test. The projectile assembly shall reveal
29、no evidence of metal parts failure when ballistically tested at excess pressure (see 4.4.6.1). Metal parts failure shall be defined as: 3.6.1 Breakup. There shall be no loss or breakup of metal parts components in the gun bore, in flight or downrange. 3.6.2 Rotating band failure. There shall be no l
30、oss or fanning of the rotating band. 3.6.3 Shearing of rotating band. There shall be no shear of rotating band as evidenced by complete lack of engraving. 3.7 Workmanship. 3.7.1 Foreign matter. No part or assembly shall contain dirt, grease, chips, oil, rust, corrosion or other foreign matter. 3.7.2
31、 Burr, sharp edges and cracks. No part shall have a burr, sharp edge, and/or cracks which might interfere with the assembly or function of the round or which might be injurious to personnel handling the item. 3.7.3 Threads. Threads shall be full and undamaged for the entire minimum length or depth a
32、s specified on drawing 10534902. 3.7.4 Painting. Painting shall comply with the requirements of the applicable drawing. All paint shall be dry to the touch before packing for shipment. The paint shall be considered dry when the soft tacky condition no longer exists and the paint feels firm when touc
33、hed with a finger using moderate pressure. 3.7.5 Protection of rotating band. The machined rotating band shall be protected from being nicked, burred or otherwise damaged in subsequent handling prior to shipment. Provided by IHSNot for ResaleNo reproduction or networking permitted without license fr
34、om IHS-,-,-MIL-DTL-14852D (AR) 64. VERIFICATION TABLE I. Requirement/verification cross reference matrix. Methods of Verification Classes of Verification 1 - Analysis 2 - Demonstration 3 - Examination 4 - Test A - First Article B - Conformance Section 3 Requirements Description Verification Method V
35、erification Class Section 4 Verification 1 2 3 4 A B 3.1.1 First article inspection X X X X 4.2 3.1.2 Conformance Inspection X X X X 4.3 3.2 Blank, rotating band X X X 4.3.2.1/4.4.7 3.2 Base plug (prior to painting) X X X X 4.3.2.2/ 4.4.2/ 4.4.4 / 4.4.7 3.2 Base plug (after painting) X X X X 4.3.2.3
36、/4.4.4 3.2 Body (prior to banding) X X X X 4.3.2.4/4.4.7 3.2 Body assembly (prior to painting) X X X X 4.3.2.5/4.4.7 3.2 Metal parts assembly X X X X 4.3.2.6/4.4.4 3.2 Projectile destructive lot acceptance X X X 4.3.2.7 3.3 Mechanical properties 3.3.1 Rotating band X X X 4.4.1.2.3 3.3.2 Base plug 4.
37、4.1.2.2 3.3.3 Body X X X 4.4.1.2.1 3.4 Rotating band seating 3.4.1 Rotating band cleanliness X X X 4.4.3 3.4.2 Band blank - gilding metal XX X X 4.4.3 3.4.3 Application of band blank X X X 4.4.3 3.4.4 Sidewall contact X X X 4.4.3.3 3.4.5 Sidewall gap X X X 4.4.2.5 Provided by IHSNot for ResaleNo rep
38、roduction or networking permitted without license from IHS-,-,-MIL-DTL-14852D (AR) 7TABLE I. Requirement/verification cross reference matrix - Continued Methods of Verification Classes of Verification 1 - Analysis 2 - Demonstration 3 - Examination 4 - Test A - First Article B - Conformance Section 3
39、 Requirements Description Verification Method Verification Class Section 4 Verification 1 2 3 4 A B 3.4.6 Rotating band clearance X X X 4.4.3.1/4.4.3.2 3.5 Metal defects 3.5.1 Body X X X X 4.4.5.1 3.5.2 Body cavity 4.4.5.1 3.5.3 Base plug X X X X 4.4.5.2 3.6 Ballistic test X 4.4.6 3.6.1 Breakup X X
40、4.4.6 3.6.2 Rotating band failure X X X 4.4.6 3.6.3 Shearing of rotating band X X X 4.4.6 3.7 Workmanship 3.7.1 Foreign matter X X X 4.3.2.1-4.3.2.3 4.3.2.5-4.3.2.6 3.7.2 Burr and sharp edges X X X 4.3.2.1-4.3.2.3 4.3.2.5-4.3.2.6 3.7.3 Threads X X X 4.3.2.4-4.3.2.6 3.7.4 Painting 4.3.2.3/4.3.2.6 3.7
41、.5 Protection of rotating band X X X 4.3.2.6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-14852D (AR) 84.1 Classification of verification. The verification requirements specified herein are classified as follows: a. First article inspectio
42、n (see 4.2). b. Conformance inspection (see 4.3). 4.2 First article inspection. 4.2.1 First article quantity. First article verification shall be performed on the quantity of items as indicated in table II. 4.2.2 Inspections to be performed. The first article verification shall be performed in accor
43、dance with Table II. 4.2.3 First article rejection. If any item fails to comply with requirements, the first article sample shall be rejected. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-14852D (AR) 9Table II. First article inspection EXA
44、MINATION OR TEST NUMBER OF SAMPLES REQUIREMENT PARAGRAPH INSPECTION METHOD REFERENCE Rotating band blank (Dwg. 8594851) Examination for defects 5 3.2 4.3.2.1 Mechanical properties 5 3.3.1 4.4.1.2.3 Base plug (prior to painting, Dwg. 10534903) Examination for defects 4 3.2 4.3.2.2 Yield strength exce
45、pt that the elongation shall be measured to the nearest thousandth Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-14852D (AR) 25(0.000) prior to conversion into percent elongation. Percent elongation shall be recorded to the nearest tenth (0
46、.0) percent. 4.4.1.2.1.1 Heat treatment lots. Two projectile bodies, one of the hardest and one of the softest as determined by the hardness test, shall be subjected to this test. Failure of any tension test specimen to comply with the yield strength or elongation requirements of the applicable draw
47、ing shall be a cause for rejection of the lot. At the option of the supplier, a production control sample may be utilized to establish a hardness range. When a production control sample is used, the hardness range thus established shall be maintained throughout the heat treatment lot. The size of th
48、e sample shall be determined by the contractor. Projectile bodies which fall outside of the established range may be re-heated to fall within the range or new mechanical properties may be taken from newly selected projectile bodies which will represent the true extremes of hardness in the heat treat
49、ment lot. 4.4.1.2.1.2 Stress relieved lots. Two projectile bodies, one of the hardest and one of the softest as determined by the hardness test form the first twenty-five projectiles, shall be subjected to this test. Failure of any tension test specimen to comply with the mechanical properties requi
