1、% ! - L I MIL-P-63345A 13 W 7777906 0348736 7 WI 53 -57 - MIL-P-63 345A (AR) 14 May 1984 SUPERSEDING MIL-P-63345 (AR) 05 December 1980 MILITARY SPECIFICATION PROJECTILE, PRACTICE, 155MM, M804 METAL PARTS ASSEMBLY This specification is approved for use the U.S. Army Armament Muntions and Chemical Com
2、mand, and is available for use by al1 Departments and Agencies of the Department of Defense. 1.1 Scope. This specification covers the Metal Parts Assembly for the Projectile, Practice, 155MM, M804. 2. APPLICABLE DOCUMENTS 2.1 Government Documents 2.1.1 Specifications and standards. Unless otherwise
3、specified (see 6.2), the following specifications and standards of the issue listed in that issue of the Department of Defence Index of Specifi- cations and Standards (DODISS) specified in the solicitation, form a part of this specification to the extent specified herein. SPECIFICATIONS FEDERAL TT-C
4、-490 - Cleaning Methods and Pre-treatment of Ferrous Surfaces for Original Coatings MILITnRY MIL-A-48078 - Ammunition, Standard Quality Assurance Provisions, General Specification For STANDARDS MILITARY MIL-STD-105 - Inspection by Attributes MIL-STD-1169 - Packaging, Packing and Marking for Shipment
5、 of Inert Ammunition Components FSC 1320 i I Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commander, US Arm Armament Research and Development Center, Attn. DRSMC-QA, Dover, New Arsey 07801 by
6、 using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. THIS DOCUMENT CNTAw Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-633q5A 13 m 9999906 03q8737 7 m MIL-P
7、-63 34 5A (AR) 2.1.2 Other Government documents, drawings, and publications. The following other Government documents, drawings, and publications form a part of this specification to the extent specified herein. DRAWINGS (see 6.12) US ARMY ARMAMENT RESEARCH AND DEVELOPMENT CENTER (ARDC) 9331795 - Pr
8、ojectile, 155MM Practice, M804 Metal Parts 9331807 - Packaging and Marking for Pallet, Wood, 9354433 - Alternate Packing and Marking for Pallet, Wood, Assembly Ammunition for Projectile 155MM “ractice, M804 Ammunition, for Projectile, 155MM, Practice, M804 PUBLICATIONS FRANKFORD ARSENAL Operating In
9、structions for Use of Detroit Testing Machine for Band Seat Inspection (Copies of specifications, standards, handbooks, drawings and publications required by manufacturers in connectian with specific acquisition functions should be obtained from the contracting activity or as directed by the contrac
10、ting officer.) 2.2 Other publications. The following documents form a part of this specification to the extent specified herein. The issues of the documents which are indicated as DoD adopted shall be the issue listed in the cxurrent DoDISS and the supplement thereto, if applicable. ANSI B46.1 - Sur
11、face Texture (Application for copies should be addressed to the American National Standards Institute (ANSI), 1430 Broadway, N.Y., N.Y. 10018). ASTM E-8 - Tension Testing of Metallic Materials ASTM E-10 - Brinell Hardness of Metallic Materials ASTM B-117 - Salt Spray (Fog) Testing ASTM A-711 - Carbo
12、n and Alloy Steel Blooms, Billets and Slabs for Forging ASTM E-103 - Rapid Indentation Hardness Testing of Metallic Materials (Application for copies should be addressed to the American Society for Testing and Materials, 916 Race Street, Philadelphia, Pa., 19103) . 2 - Provided by IHSNot for ResaleN
13、o reproduction or networking permitted without license from IHS-,-,-MIL-P-6 3 3 4 5A (AR) 2.3 Order of precedence. In the event of a conflict between the text of this specification and the references cited herein, the text of this specification shall take precedence. 3. REQUIREMENTS 3.1 Material. Ma
14、terials, parts and assemblies shall comply with the requirements specified on the applicable drawings and specifications. w 3.2 Projectile assembly. The Projectile Assembly and components shall comply with all requirements specified on Drawing (Dwg.) 9331795 and with all requirements specified in ap
15、plicable specitications. 3.3 Steel quality. The item contractor shall establish procedures to provide a forge quality steel in accordance with ASTM A711; i.e., the steel shall be free of pipe, porosity and heavy segregation. The manufacturer will provide a certification to cite the specific revision
16、s of the industry standard under which the steel was manufactured. * 3.4 Pravinq qround. The projectiles, when tested as saecified, shall show no loss or break-up of metal components. The fuzed projectile when assembled with a smoke cannister shall on impact, produce a smoke signature visible across
17、 4000 meters of level terrain. 3.5 Mechanical properties. e 3.5.1 Body. Mechanical properties of the machined body as required by applicable drawing shall apply. 3.5.2 Rotating band. After application and subsequent removal the rotating band shall have the following mechanical properties: a. Tensile
18、 Strength - 206.8 Megapascals (MPa) b. Elongation - 25 percent in 20 millimeters (mm) (30,000 psi) minimum (min) or .75 inch (in) of gage length min. 3.6 Rotatinq band. 3.6.1 Band seat. Prior to banding, the band seat shall be clean and free from oil, grease, dirt, rust or other foreign matter. Shot
19、 or sandblasting shall not be permitted for cleanina the band seat after knurling. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- - - . MIL-P-63345A 13 M 999970b 0398739 2 M MIL-P-63345A (AR) 3.6.2 Band blank - (Gilding metal) . The rotating band
20、 blank shall be in the form of a solid ring, annealed if necessary to comply with the applicable specification; except that when hot banding at not less than 427 degrees Celsius (OC), no prior annealing is necessary. 3.6.3 Application. The bands may be applied by either hot or cold process but if ap
21、plied hot, the bands shall not be heated above 870 degrees Celsius (OC) to prepare them for application to the body. The bands shall be heated uniformly by a process which will prevent oxidation (loose scale) and applied in a manner that will hold the formation of scale between the band and the band
22、 seat to a mi nimum. 3.6.4 Band seatinq sidewall contact. The rotating band shall be applied atter tina1 heat treatment of the body, by carefully pressing the band blank into the band seat so as to make contact with the sidewalls for a minimum of eight-tenths of the band seat depth. The band shall b
23、e applied in such a manner so as not to distort the body wall. In addition, there shall be no surface gap between the rotating band and the sidewalls of the band seat, after the rotating band has been machined to final dimension. 3.6.5 Band seatinq tightness. The diametrical clearance between the ro
24、tatinq band and the band seat shall not exceed 0.15mm (.O06 in), when the-destructive method of testing is used or 0.23mm (. O09 in) when non-destructive method of testing is used. 3.7 Metal defects. - 3.7.1 Body. The body, including the cavity, shall be free from cracks, splits, bursts, cold shuts,
25、 pipes, porosity, inclusions, folds, seams and other metal defects. 3.7.2 Visual standards. Visual standards for evaluation of metal defects will be established by the contractor with quidance from the Government Agency for each contract atter the first months production. However, establishment of v
26、isual standards will not waive the requirements for compliance with 3.7.1. 3.8 First article inspection. This specification makes provisions tor first article inspection. Requirements for the submission of first article samples by the contractor shall be as specified in the contract. 3.9 Tool contro
27、l dimensions. - Dimensions marked tool control shall be gaged at the beginning of production and whenever toolinq 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-b3345A 13 W 777770b 03487409 W MIL-P-6 3 3 45A (AR) is replaced. Where destructi
28、on of components is necessary to inspect these dimensions, measurements of the tool may be substi- tuted provided the contractor has established correlation between the tool dimensions and the component dimensions prior to start of production. The contractor shall be responsible for maintaininq adeq
29、uate surveillance to assure that drawing requirements are beinq met throughout the life of the tool. 3.10 Workmanship. The requirements for workmanship are as shown on the applicable drawings and specifications and the following: 3.10.1 Surface preparation. Preparation of metal surfaces shall be as
30、specified on the applicable drawings and specifications. Cleaning and preparation are required by component details, the finish specified shall apply to indicated surfaces regardless of contour configuration. 3.10.2 Paintinq. Painting shall comply with the requirements of the applicable drawings and
31、 specifications. All paint shall be dry to the touch before packing for shipment. Drying time prior to testing shall be in accordance with the applicable specification. as detailed on the applicable drawing. The roughness comparison specimens prescribed by ANSI-B46.1 shall be used as a basis for sur
32、face roughness determinations. 3.10.3 Surface finish. The requirements for surface finish are 3.10.4 Threads. Threads shall he full and undamaged for the entire minimum length or depth as specified on the applicable drawing. 3.10.5 Burr. No part shall have a burr which might interfere - with the ass
33、embly or function of the projectile or which might be injurious to personnel handling the item. 3.10.6 Foreiqn matter. No part or assembly shall contain dirt, grease, rust, corrosion or other foreign matter. 3.10.7 Protection of rotating band. The machined rotating band shall be protected from being
34、 nicked, burred or otherwise damacied in subsequent handling prior to-shipment. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection and standard quality assurance. Unless otherwise specified herein or in the contract, the provisions of MIL-A-48078 shall apply and are hereby made a part
35、 of this detail specification. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-63345A 13 m 9999906 0348743 O MIL-P-63345A (AR) 4.2 Classification of inspections. The following types of inspection shall be conducted on this item: a. First Arti
36、cle Inspection b. Quality Conformance Inspection 4.3 First artcicle inspection 4.3.1 Submission. The contractor shall submit a first article sample as designated by the Contracting Officer for evaluation in accordance with provisions of 4.3.2. The first article sample shall consist of the following
37、items in sample quantities as indicated. Part Description Drawinq Quantity Body Assembly 9331299 5 Blank Rotating Band 7548993 5 Body 9331797 5 Metal Parts Assembly 9331795 20 All assemblies and components shall have been manufactured using the same production processes, procedures and equipment whi
38、ch will be used in fulfilling the contract. All parts and materials, including packaging and packing, shall be obtained from the same source of supply as will be used in regular production. Prior to submission, the contractor shall inspect the sample to the degree necessary to assure that it conform
39、s to the requirements of the contract and submit a record of this inspection with the sample including statements of findings for materials, processes and tests. A sample containing known defects will not be Submitted unless specifically authorized, by the Contracting Officer. A first article sample
40、, or portion thereof, as directed by the Contracting Officer, shall also be submitted whenever there is a lapse in production for a period in excess of 90 days or whenever a change occurs in manufacturing process, material used, drawing or specification such as to significantly affect product unifor
41、mity as determined by the Government. 4.3.2 Inspections to be performed. The First Article parts submitted in accordance with paragraph 4.3.1 will be subjected by the Government to any or all the requirements of the applicable drawings and specifications and to the inspections of Table I. All inspec
42、tions listed in Table I shall be classified Major unless otherwise specified in referenced paragraphs and specifications. 4.3.3 Rejection. See MIL-A-48078. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-c c O .r( u MIL-P-63345A 13 W 7977906 034874
43、2 2 W II) 4 c a, c O a u a C id II) a, .Pl rl a II) II) 4 a, d .Pl L, u a, -n O LI pi o 8 v)O rlcv m .I.r II) a, k m c 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-_- MIL-P-b3345A 13 m 7777906 0348743 4 a MIL-P-63345A (AR) 4.4 Quality conformanc
44、e inspection. 4.4.1 Inspection lot formation. Inspection lots shall comply with the lot formation provisions of MIL-A-48078. Heat treatment inspection lots of projectiles shall be defined as follows: 4.4.1.1 Standard procedure. A heat treatment lot of bodies shall consist of bodies from only one mil
45、l heat of steel that have been heat treated in the same heat treatment equipment, at the same temperature and for the same time cycles, in one unchanged process. 4.4.1.2 Miscellaneous lot. Bodies manufactured from small heats f steel, or bodies that have been separated from previously delivered lots
46、 may be grouped into a miscellaneous heat treatment lot. Such a lot shall be identified by a miscellaneous lot code number and processed in accordance with 4.4.1.1. The maximum lot size shall be 2000 bodies. 4.4.1.3 Use. The heat treatment lot constituted per 4.4.1.1 or 4.4.1.2 shall be the basis fo
47、r selecting samples for mechanical properties tests. Bodies in each heat treatment lot shall be identified to that particular lot until satisfactory mechanical properties tests have been completed. 4.4.1.4 Projectile lot. Heat treatment lots that have been determined to have complied with yield stre
48、ngth and percent elongation requirements of the applicable drawing may be regrouped for assembly into projectile lots. 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-63345A 13 97777Ob 034874Ll b W W m m W I PI I H z i _. J % E3 H O s 8 t a 3
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