1、L MIL-C-14640B 84 m 7377706 0378773 8 m c -24 - distribution is unlimited. T . THIS DOCUMENT CONTAINS / PAGES Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- NIL-C-L4640B 84 m 777770b 0378772 T m MIL-C-14640B 2.1.2 Other Government documents, drawin
2、gs and publications. The following other Government documents, drawings, and publications form a part of this specification to the extent specified herein. DRAWING THE INSTITUTE OF HERALDRY 4-4-94 - Cases, Decoration, Medallion, Presentation, Assembly and Details. (Copies of specifications, standard
3、s and drawings required by the contractor in connection with a specific procurement function should be obtained from the procuring activity or as directed by the contracting officer.) (Figure 1 is a miniature reproduction of Drawing 4-4-94 and is attached for information purposes.) t I ff s 2.3 Orde
4、r-of precedence. In the event of a conflict between the text of the specification and reference cited herein, the text of this specification shall take precedence. 3. REQUIREMENTS 3.1 Standard samples. 3.1.1 Cases. Unless otherwise specified (see 6.2), the contracting officer will furnish a standard
5、 sample of the case for matching the color and finish of the coated cover only. material may be substituted as a standard (see 1.2 and 6.3). If no case is available a sample of the required 3.1.2 Plushes and satin cloth. Unless otherwise specified (see 6.2) the contracting officer will furnish a sam
6、ple of each plush and a sample of the satin cloth, which shall be used for matching color, texture and quality. 3.2. First article, When specified (see 6.2), before production is comnenced a sample of the finished case shall be sulanitted or made available to the contracting officer or his authorize
7、d representative for approval. Approval of the first article authorizes the comencement of production but does not relieve the manufacturer of responsibility for compliance with all applicable provisions of this specification. manufactured by the contractor in the same manner and in the same facilit
8、ies to be used for the production items. The first article shall be 3.3 Materials. Materials shall confcrm to the referenced specifications and the requirements specified herein. O 3.3.1 Paper. Paper for lining the back of the pads and the interior top and bottom of-case shall be 120 pound white chi
9、pboard finish No. 4, 1/32 inch in thickness. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I MIL-C-14640B 84 = 777770b 0378773 L MIM- 14 6 4 OB 3.3.2 Hinge. The hinge for the case shall be a piano type brass plated steel hinge 2-7/8 inches plus o
10、r minus 1/8 inch in length. The overall width of the hinge shall be 5/8 plus or minus 1/64 inch. The thickness of the leaf shall be a minimum of 1/64 inch. steel clips insuring closure of the case unless an upward force is exerted on the lid. The hinge shall be fitted with two spring 3.3.3 Steel. St
11、eel for the case shell shall conform to CRCQ or HKQ of (x2-S-698. 3.3.4 Cover. At the option of the manufacturer the cover of the case may be fabricated from either a pyroxylin coated cloth or morocco grain vinyl. 3.3.4.1 Pyroxylin coated cloth. The base cloth for the pyroxylin coated cloth shall be
12、 dyed dark blue to approximate the shade of the pyroxylin coating. construction shall have a minhum of 56 ends and 56 picks. the cloth will match the standard sample in color and finish. The sheeting shall weigh 2.5 ounces per square yard and the sheeting The coated side of 3.3.5 Lacquer. The lacque
13、r shall be a pale clear, synthetic lacquer. The use of pigmented lacquer shall not be permitted. 3.4 Construction. Cases shall be constructed in accordance with Drawing 4-4-94. shell of the case shall be formed from steel specified in 3.3.3 having a thickness of 0.018 inch plus or minus .002 inch. s
14、ections, a lid section and a lower section connected by a hinge specified in 3.3.2. covered with pyroxylin coated cotton sheeting specified in 3.3.4. option of the manufacturer, a .010 inch thick navy blue morocco grain vinyl having a minus 10 degrees F. cold crack resistance and good grain retentio
15、n characteristics at processing temperatures may be used in lieu of the pyroxylin coated cloth. Except for the portion of the edge covered by the hinge, the edges of both sections of the case shall have a steel brass plated. The ends of the striking edge shall be butted flush with the ends of the hi
16、nge. The striking edge shall be formed from brass 0.008 plus or minus .002 inch thick, shall have a mirror-like polished finish and shall be coated with lacquer specified in 3.3.5, prior to assembly. All cited dimensions are for finished components and/or cases. The The case shall consist of two The
17、 exterior surfaces and the interior walls of both sections shall be At the 3.4.1 Lid section. The interior of the lid section shall be lined with paper specified in 3.3.1. have a low density polyurethane pad 1/4 inch thick and covered by white satin cloth glued securely to the interior lid. length a
18、nd width of the interior of the lid. In addition to the paper, the lid interior shall The pad shall completely fill the 3.4.2 Bottom section. At the option of the manufacturer, the dust shield and bottom may be a molded unit, or may consist of boxboard covered with white 3 Provided by IHSNot for Res
19、aleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-L4640B 84 777770b 0378774 3 MIL-C-14640B plush and securely glued to the walls of the case, as shown on Drawing 4-4-94. When the dust shield and bottom are made as a molded unit, the unit shall be molded from .O15 inch thi
20、ck impact quality styrene with a cotton flock face. The flocking shall be white to match the plush dust shield. When the dust shield is made as a separate unit, the boxboard shall be 9/16 inch, plus or minus 1/32 inch high, 13 5/8 inches, plus or minus 1/8 inch long and 1/32 inch plus or minus 1/64
21、inch thick, When the dust shield is a separate unit the bottom shall be covered with paperboard, as specified-in 3.3.1, and glued securely to the bottom of the case. At the hinged end of the case the free ends of the dust shield and the hinge shall be covered with white satin cloth. The satin cloth
22、shall have the sides neatly pinked or fused to prevent raveling. 3.4.3 - Pads. The class I and class II pads shall be fabricated from 14 ply bristol board and shall conform to the details and dimensions shown on Drawing 4-4-94 and the Military Specification Sheet covering the applicable medallion (s
23、ee 6.2). ration of the medallion to be inserted. 1/2 inch on all sides of the back of the pad, shall be covered with gray plush specified in 3.1.2. Other colors of plush may be required, if directed by the contracting officer. After the lift tabs have been positioned and securely anchored, the rever
24、se side of the pad shall be covered with paper specified in 3.3.1. doubled over with a selvage along each edge. The well shall be constructed to conform to the outside configu- The face, edges, and a minimum of The lift tabs shall be made from white satin ribbon 3/8 inch wide, 3.5 Marking. In additi
25、on to any special marking required (see 6.2), each case shall be marked with the manufacturers name, trade mark or identifi- cation mark stamped or printed legibly in the center of the paper covering the interior bottom of the case so as to be visible when the pad of the container is removed. integr
26、al part of the molded dust shield. in height. If the molded dust shield, the marking may be molded as an The letters shall not exceed 3/8 inch 3.6 Workmanship. Cases shall be clean, well made, and shall meet the acceptable quality levels established by this specification, 4. QUALITY ASSURANCE PROVIS
27、IONS 4.1 Inspection responsibility. Unless otherwise specified in the contract or purchase order, the supplier is responsible for the performance of all inspection requirements as specified herein. the contract or order, the supplier may use his own or any other facilities suitable for the performan
28、ce of the inspection requirements specified herein, unless disapproved by the Government. The Government reserves the right to perform any of the inspections set forth in the specification where such inspections are deemed necessary to assure supplies and services conform to prescribed requirements.
29、 Except as otherwise specified in K I I X Q 4 i Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-L4640B BY m 9999906 0378995 5 = MIL-Eb14640B 4.2 Classification of inspection. The inspection requirements specified herein are classified as follow
30、s: a. First article inspection (see 4.3). b. Quality conformance inspection (see 4.4). 4.3 First article inspection. article shall be inspected for all provisions of this specification applicable to end item examination and test. When a first article is required, the first 4.4 Quality conformance in
31、spection. Sampling for inspection and acceptance shall be in accordance with MIL-SID-105, except where otherwise indicated. 4.3.1 Certification of compliance. Components listed below may be accepted on the basis of a contractors certification of compliance for the requirements specified in applicabl
32、e paragraphs of this specification. Component Characteristic Paper Hinge S tee1 Cloth, pyroxylin Lacquer Striking edge Vinyl material coating Polyurethane White satin cloth Molded insert Pads Lift tab Material identification weight, finish and ply Material identification and plating Material identif
33、ication Material identification Material identification Material identification Material identification thickness, minus 10 degrees F. cold crack resistance, grain retention Material identification and thickness Material identification and color Material identification, thickness and facing Material
34、 identification and ply Material identification Rqm t para. 3.3.1 3.3.2 3.3.3 3.3.4.1 3.3.5 3.4 3.4 3.4.1 3.4.1 3.4.2 3.4.3 3.4.3 4.3.2 In-process examination. Examination shall be made during the manufacturing process for the requirements listed below to establish that no deviation is made from ind
35、icated requirements. Whenever a nonconformance is noted, correction shall be made to affected items and to the process. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-_ MIL-C-L460B 4 m 7747706 0378776 7 m MIM-14640B Requirements of operation Inter
36、ior of lid and bottom of case 3.4.1 Polyurethane pad is glued to the 3.4.1 3.4.3 3.4 Rqm t para. lined with paperboard interior of lid shell anchored to reverse side of pad exterior of lid shell sides of the back of the pad covered with gray plush Lift tab positioned and securely Polyurethane pad is
37、 glued to the Pad face, edges and a minimum of 1/2 inch on all 3.4.3 4.3.3 Inspection of the end item. 4.3.3.1 Visual examination of case. The defects found during examination 1 shall be classified in accordance with 4.3.3.1.1 and 4.3.3.1.2. inspection level and the acceptable quality level (AQLs) s
38、hall be as specified in 4.3.3.1.3. The unit of The I product for these examinations shall be one completely fabricated case. i 4.3.3.1.1 Examination for defects in design; material, construction, and workmanship. 1 major when affecting appearance or serviceability and minor when affecting appearance
39、 or serviceability but not seriously. The containers shall be examined from a distance of 16 to 22 inches under normal daylight or its equivalent. Classification Examine Defect Major (*) Minor Exterior Color and finish does not match the standard surf ace or approved sample x - - - - Not covered as
40、specified. . x Covering not taut, i.e., any wrinkle(s), Visible imperfection in cover, i.e., spotted or stained, cut, torn, abraded or otherwise Plush or satin does not match the standard or approved sample for color, finish or texture. . x Visible imperfection in plush or satin, i.e., stained, disc
41、olored, cut, torn, bubble (s) or crease (s) damaged. . x - - - - * - frayed, or otherwise damaged . - Interior surf aces 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- 7 MIM-14640B - - Workmanship Hinge not as specified. x Lid (when closed) is no
42、t aligned with the bottom of the case x Lid does not close completely over components . x Lid does not spring closed when released Case is punctured, broken, indented, Metal edge contains sharp edge, burr or is dented, bent or otherwise damaged . Ends of striking edge not butted flush with - - - - -
43、 from a 30 degree angle x malformed, or otherwise damaged. . x - - - * - X - - ends of the hinge. Hinge not covered on the inside Lift tab missing. . x Lift tab not securely anchored. - lower section of case. x or is not lacquered. . - Incorrect pad or no pad x Molded insert not securely glued to sh
44、ell . - Pad not covered as specified. Satin cloth sides not pinked or fused . - X Mark i ng Marking not placed as required. - - - x - - * - Does not contain metal edge on lid or Metal edge is not mirror-like polished Case not clean. - X - * - - - - * - - * - . - * - X - - Missing, illegible, or inco
45、rrect. . 4.3.3.1.2 Examination of cases for defects in dimension. Any dimension that * is not within the specified tolerance shall be classified as a defect. 4.3.3.1.3 Inspection levels and acceptable quality levels (AQLs). The inspection levels and the acceptable quality levels (AQLs) expressed in
46、defects per hundred units shall be as follows: inspect ion AQL level Major Total For defects applicable to 4.3.3.1.2 s-2 (one class) 2.5 For defects applicable to 4.3.3.1.1 II 2.5 10.0 4.3.3.1.4 Examination of preparation for delivery requirements. An exami- nation shall be made to determine that pa
47、ckaging, packing, and marking camply with the requirements of section 5 of this specification. scored in accordance with the list below. shipping container fully prepared for delivery with the exception that it need not be sealed. Defects shall be The sample unit shall be one Defects of closure list
48、ed below shall be examined on shipping I. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-Lg640B 89 7999706 0378998 O W MIM-146 40B O containers fully prepared for delivery. The lot size shall be the number of shipping containers in the end ite
49、m inspection lot. be S-2, and the acceptable quality level (AQL) shall be 4.0. The inspection level shall Examine Defects Markings 1 (exterior and interior) location, sequence, or method of application. serviceability. closure of container flaps, or inadequate stapling. Materials Workmanship Any cmponent missing, damaged, or affecting Inadequate application of components such as inccanplete Bulged or distorted containers. Weigh
