1、 INCH-POUND MIL-DTL-2439F 5 February 2010 SUPERSEDING MIL-C-2439E (AR) 25 April 1986 DETAIL SPECIFICATION CONTAINER, AMMUNITION, FIBER, SPIRALLY WOUND This specification is approved for use by U.S. Army Armament Research, Development and Engineering Center (ARDEC), and is available for use by all De
2、partments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers the requirements for spirally wound fiber ammunition containers. 1.2 Classification. Five types of fiber containers and two classes of metal ends defined, as specified (see 6.2): 1.2.1 Types. The types
3、 of fiber containers are as follows: Type I - With two layers of aluminum foil Type II - With one layer of aluminum foil Type III - Without aluminum foil Type IV - With two layers of aluminum foil and resin impregnated Type V - With poly laminated layers and no foil Comments, suggestions, or questio
4、ns on this document should be addressed to the Commander, U.S. Army ARDEC, ATTN: RDAR -QES-E, Picatinny, 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 htt
5、p:/assist.daps.dla.mil. ASMC N/A FSC 8140 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Inactive for new design after 5 February 2010.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-2439F 2 1.2.2. Classes.
6、Fiber containers have the following classes of metal ends: Class 1 - Single crimp Class 2 - Double crimp Class 3 - Cap (uncrimped) 2. APPLICABLE DOCUMENTS2.1 General. The documents listed in this section are specified in sections 3 and 4 of this specification. This section does not include documents
7、 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 requirements cited in sections 3 and 4 of this specification, whether or n
8、ot 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 specification to the extent specified herein. Unless otherwise specified, the issues of these documents are those listed in the sol
9、icitation or contract. COMMERCIAL ITEM DESCRIPTIONS A-A-1507 - Chipboard A-A-59209 - Paperboard, Ammunition Container FEDERAL SPECIFICATIONS QQ-A-1876 - Aluminum Foil PPP-B-1055 - Barrier Material, Waterproof, Flexible FEDERAL STANDARDS FED-STD-595/27038 - Miscellaneous, Semigloss DEPARTMENT OF DEFE
10、NSE SPECIFICATIONS MIL-A-13374 - Adhesive, Dextrin, for use in Ammunition Containers MIL-P-19602 - Primer, Size Coating, Baking, for Roller Coat Application MIL-E-19603 - Enamel, Baking, for Roller Coat Application MIL-P-20293 - Paper, Kraft, Asphalt-Impregnated MIL-V-21064 - Varnish, Finishing, Bak
11、ing, for Roller Coat Application DEPARTMENT OF DEFENSE STANDARDS MIL-STD-171 - Finishing of Metal and Wood Surfaces Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-2439F 3MIL-STD-1168 - Ammunition Lot Numbering and Ammunition Data Card MIL-ST
12、D-1916 - DOD Preferred Methods for Acceptance of Product (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 Government documents, drawin
13、gs 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. U.S. ARMY ARMAMENT RESEARCH, DEVELOPMENT AND ENGINEERI
14、NG CENTER (ARDEC) DRAWINGS 12987995 - Adhesive (Copies of these drawings are available from U.S. Army ARDEC, ATTN: RDAR-EIS-PE, Picatinny, NJ 07806-5000, or e-mail pica.drawing.requestconus.army.mil.) 2.3 Non-Government Publications. The following documents form part of this document to the extent s
15、pecified herein. Unless otherwise specified, the issues of these documents are cited in the solicitation or contract. ASTM INTERNATIONAL (ASTM) ASTM A 624/A 624M - Standard Specification for Tin Mill Products, Electrolytic Tin Plate, Single Reduced ASTM A 626/A 626M - Standard Specification for Tin
16、Mill Products, Electrolytic Tin Plate, Double Reduced ASTM A 653/A 653M - Standard Specification for Steel Sheets, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed) by Hot-Dip Process ASTM B 117 - Standard Practice for Operating Salt Spray (Fog) Apparatus ASTM D 449 - Standard Specif
17、ication for Asphalt used in Damp proofing and Water proofing ASTM D 523 - Standard Test Method for Specular Gloss ASTM D 3950 - Standard Specification for Strapping, Nonmetallic (and Joining Methods)ASTM D 4317 - Standard Specification for Polyvinyl Acetate Based Emulsion Adhesives ASTM D 548 - Stan
18、dard Test Method for Water-Soluble Acidity or Alkalinity of Paper Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-2439F 4ASTM D 646 - Standard Test Method for Grammage of Paper and Paperboard (Mass per Unit Area) ASTM D 1894 - Standard Test M
19、ethod for Static and Kinetic Coefficients of Friction of Plastic Film and Sheeting ASTM E 376 - Standard Practice for Measuring Coating Thickness by Magnetic-Field or Eddy Current (Electromagnetic) Examination Methods (Copies of these documents are available from www.astm.org, or ASTM International,
20、 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959.) TECHNICAL ASSOCIATION FOR PULP AND PAPER INDUSTRY TAPPI T403 - Bursting Strength of Paper TAPPI T414 - Internal Tearing Resistance of Paper (Elmendorf-Type Method) TAPPI T494 - Tensile Breaking Properties of Paper and Paperboard (Using Const
21、ant Rate of Elongation Apparatus) TAPPI T523 - Dynamic Measurement of Water Vapor Transfer Through Sheet Materials (Copies of these documents are available from http:/www.tappi.org, or TAPPI, 15 Technology Parkway South, Norcross, GA 30092.) INTERNATIONAL ORGANIZATION FOR STANDARDIZATION ISO 2758:20
22、01 - Paper: Determination of Breaking Strength (Copies of these documents are available from www.iso.org, or International Organization for Standardization (ISO), 1, ch. de la Voie-Creuse, Case postale 56, CH-1211 Geneva 20, Switzerland.) 2.4 Order of Precedence. Unless otherwise noted herein or in
23、the contract, in the event of a conflict between the text of this document and the references cited herein, this document takes precedence. However, nothing in this document supersedes applicable laws and regulations, unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 Required inspec
24、tions. 3.1.1 First article inspection. When specified (see 6.2) a sample shall be subjected to first article inspection in accordance with 4.3. 3.1.2 Conformance. A sample shall be subjected to conformance inspection in accordance with 4.4. Provided by IHSNot for ResaleNo reproduction or networking
25、permitted without license from IHS-,-,-MIL-DTL-2439F 53.2 Outer and cover tube construction. The outer and cover tubes shall be spirally wound. For materials, winding sequence and other details for outer and cover tubes see Figure 1 (Type I, II, and III containers), Figure 2 (Type IV containers), or
26、 Figure 3 (Type V containers). Windings shall be lapped as shown in Figure 7. Tube windings shall be securely adhered to each other. No waterproof layer shall be cut in subsequent crimping operations. A hairline of adhesive, not more than 1/32 inch in width or 1/64 inch in height, shall be permitted
27、 beyond the edge of the outer layer for the asphalt impregnated paper (Types I, II and III containers), the seven point Kraft paper (Type IV container), or the poly lam layer (Type V container) to which the adhesive is applied on outer and cover tubes, only. 3.3 Neck tubes. 3.3.1 Neck tube construct
28、ion. The neck tubes shall be spirally wound. For materials, winding sequence and details for neck tubes see Figure 4 (Type I, II, and III containers) or Figure 5 (Type IV containers), or Figure 6 (Type V containers). Windings shall be lapped as shown in Figure 7. Tube windings shall be securely adhe
29、red to each other. No waterproof layer shall be cut in subsequent crimping operations. 3.3.2 Neck tube vent holes. Neck tubes may be perforated with vent holes as required (see Figure 8) to provide pressure relief in closing and opening the container. When the exposed length of the neck tube (portio
30、n holding the cap) is less than 2.5 inches, vent holes will not be required. 3.3.3 Neck tube security. Any adhesive remaining on the exposed exterior surface of the neck tube, after assembly, shall be removed. Neck tubes, when glued to the outer tube, shall withstand the torque requirements specifie
31、d in Table I without movement in the tube. TABLE I. Torque requirements. Outside Diameter of Outer Container Torque to be Applied (Inch-Pounds, Minimum) 3 inches or less 50 Greater than 3 inches 100 3.4 Neck ring. Neck rings shall also be applied to fiber container neck tubes that open at both ends,
32、 as required. Construction details shall be in accordance with Figure 8. 3.4.1 Neck ring material. All neck rings, including alternate designs, shall be made from 33 gage, minimum, commercial black-plate. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,
33、-,-MIL-DTL-2439F 63.4.2 Neck ring plating. The ring shall be blanked and plated in accordance with either finish number 1.9.1.3 or 1.9.2.3 of MIL-STD-171. 3.4.3 Neck ring corrosion resistance. The completed neck rings shall show no corrosion or rust products of basic metal when subjected to 36 hours
34、 of 5% salt fog test. 3.4.4 Polyester tape. For Type I, II and III containers, Polyester tape may be applied to the neck tube, instead of a neck ring. The polyester tape shall be “Scotch” brand Film Tape, Black Y 8459 (0.0025 inch thick) “Scotchpar” tm Heat Shrinkable Film (a product of 3M Company,
35、3M Center, St. Paul, MN 55101), or equivalent. The application of the polyester tape, see 6.3, to the open end of the neck tube shall be accomplished by a heat shrink process. 3.4.5 Neck ring workmanship. The neck ring shall be flush with the outside surface of the tube and may project above the ins
36、ide surface of the tube by the thickness of the metal. The ring shall be crimped in place so that no sharp corners or burrs project. The waterproof layers of paper shall not be cut by the neck ring when it is crimped in place. 3.5 Inner tubes. Tubes, other than those specified in 3.2, shall be eithe
37、r convolute or spiral wound. Unless an overlap of the windings is specified, they shall be butted at the edges. Any gap at the butt joint shall not be greater than 1/16 inch. Inner tubes with greater than inch wall thickness may be made of two or more tubes placed one within the other and securely g
38、lued together. Inner tubes shall be glued with an adhesive complying with ASTM D 4317 or MIL-A-13374. Tubes shall be glued together with and adhesive complying with ASTM D 4317. Inner tubes shall be made from plain commercial chipboard, suitable for winding and shall have a clean, uniform surface. T
39、he chipboard shall meet the following minimum requirements: a. Basis Weight - Three pounds per 0.001 inch of thickness per 1,000 square feet b. Bursting Strength - Two points per 0.001 inch thickness c. Acidity - pH of 6.5 +/- 1.5 3.6 Container cover. The fiber container cover shall be slide fit on
40、the neck tube. The weighted cover shall slide free of the neck tube without shaking or vibration within 15 seconds. 3.7 Metal ends, crimped and covers. 3.7.1 Metal for ends. The metal used shall conform to one of the materials 3.7.1.1 or 3.7.1.2. More than one type material shall not be mixed within
41、 a given lot. The thickness shall be the thickness of the base steel or iron before plating. 3.7.1.1 Tinplate. Tinplate shall be either electrolytic number 100 or hot-dipped Standard Cokes (or better), in accordance with ASTM A 624/ASTM A 624M or ASTM A 626/ASTM A 626M. Steel type, temper, finish, a
42、nd base weigh shall be selected by the fiber container manufacturer to the values which permit compliance with 3.7. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-2439F 73.7.1.2 Zinc coated steel. The zinc coated steel shall comply with Stee
43、l Sheet, zinc-coated, coating designation G-60, commercial steel Type A, conforming to ASTM A 653/ASTM A 653M. 3.7.2 Crimping (class 1 and class 2 ends). For construction requirements of Class 1 end crimps see Figure 12 or for construction requirements of Class 2 end crimps see Figure 13. 3.7.2.1 Cr
44、imp integrity. The crimped metal ends shall withstand the load specified in Table II. TABLE II. Load requirements on crimped metal ends. Inside Diameter of Outer or Cover Tube (Class 1): Minimum Removal Force (Pounds) 1.50 to 2.39 inches 200 2.40 to 3.39 inches 300 Greater than 3.39 inches 400 Great
45、er than 3.39 inches with 26-gage metal ends 800 Inside diameter of outer or cover tube (class2): 3.39 inches or less with 26-gage metal ends 900 3.40 to 4.70 inches with 26-gage metal ends 1200 3.40 to 4.70 inches with 28-gage metal ends 600 Greater than 4.71 inches with 26-gage metal ends 1500 3.7.
46、3 Metal end marking. Metal ends shall be legibly embossed with the manufacturers symbol and month and year of manufacture. The month shall be represented by one or two digits, as applicable, and the year shall be represented by the last two digits of the year a hyphen shall separate the month and ye
47、ar. The letter “F” shall be embossed on containers when one layer of foil is included in the tube construction (Type II), “FF” shall be included when two layers of foil are included in the construction (Type I), “FFR” shall be embossed when two layers of foil are included in the resin impregnation t
48、ube construction (Type IV), and “PL” shall be included when poly laminate is used for tube construction (TypeV). If necessary, the word “CONTAINER” may be abbreviated to “CNTNR”. “CNTNR” shall be used for all new tooling. Also, the embossing design shown on the drawing may be shifted circumferential
49、ly to provide additional space in the embossing circle. Alternatively, the date and the manufacturers symbol may be placed in the center of the embossed end. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-2439F 83.7.4 Metal end coating. Metal ends shall be coated on the outside surface in accordance with MIL-P-1
