1、MIL-B-43049D 999990b 1490981 513 NOT MEASUREMENT SENSITIVE MIL-B-43049D 20 November 1992 SUPERSEDING MIL-B-43049C(IH) 30 September 1975 MILITARY SPECIFICATION BACKING PLATES, INSIGNIA, BRANCH OF SERVICE AND CAP, INFANTRY, ARMY This specification is approved for use by all Departments and Agencies of
2、 the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers the plastic backing plates used by Army Infantry enlisted personnel (see 6.1). 1.2 Classification. Backing plates shall be of the following types (see 6.2). Type I - Backing Plate, Insignia, Service Cap, Infantry Blue Type II
3、- Backing Plate, Insignia, Branch of Service, Collar, Infantry Blue 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 SDecifications, standards. and handbooks. The following specifications, standards and handbooks form a part of this document to the extent specified herein. Unleas otherwise sp
4、ecified, the issues of these documents are those listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation (see 6.2). SPECIFICATIONS FEDERAL NN-P-71 - Pallets, Material Handling Wood Stringer Construction 2-Way a
5、nd 4-Way (Partial) Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in preparing this document should be addressed to: Director, The Institute of Heraldry, US Army, Cameron Station, Alexandria, VA 22304-5050, by using the Standardization Document
6、 Improvement Proposal (DD Form 1426 armearina at the end of this document. AMSC NIA FSC a455 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-43049D 9999906 L4909d
7、2 45T m MIL-B-43049D *b MIL I TARY MIL-P-15011 - Pallets, Material Handling, Wood Post Construction, however, in such cases the specification shall govern. e 3.3 Materials. Materials shall be as specified herein. 3.3.1 Plastic. The backing plate ehall be molded from virgin plastic material. Cellulos
8、e Nitrate or Cellulose Acetate Butyrate shall not be used. 3.4 Construction. The backing plate, Type I or Type II, shall be molded in accordance with the details and dimensions of TIOH Drawing B-2-51 (see Figure 1). The backing plates shall meet the performance requirements specified herein. 3.4.1 S
9、tability. When tested as specified in 4.7.1, the backing plate shall not twist, chip, crack, break or blister and shall be free from warp. When the backing plate is placed on a surface plate with the beveled edge upward, at least 75 percent of the perimeter of the backing plate shall be in contact w
10、ith the plate and there shall be no gap exceeding 1/32 inch (0.08 cm). 3.4.2 Water absorption. When tested as Specified in 4.7.2, the water absorption shall not be greater than 2.5 percent. 3.4.3 Color. The color of Type I and Type II backing plates shall be light blue approximating Chip No. 15177 f
11、rom FED-STD-595 or the standard sample (See 3.2). 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-43049D M 999990b 1470984 222 m L MIL-B-43049D 3.4.4 JCnockout Din mark. Knockout pin marks and breakoff marks shall be trimmed flush within 1/64
12、 inch (0.04 cm) of adjacent areas. There shall be no sharp edges. The marks shall not be located in areas which are visible under actual use. 3.5 Finish. The backing plates shall be free of warp, twist, cracks, blisters, scratches, sink marks, flash, fins and roughness at breakoff point and shall me
13、et the quality provisions as specified herein. shall not exceed the applicable acceptable quality levels. The occurrence of defects 3.6 WorkmanshiD. The backing plates shall be free of warp, twist, cracks, blisters, scratches, sink marks, flash, fins and roughness at breakoff point and shall meet th
14、e acceptable quality provisions established by this specification. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inswction. Unless otherwise specified in the contract or purchase order, the contractor is responsible for the performance of all inspection requirements (examinations and tests)
15、 as specified herein. Except as otherwise specified in the contract or purchase order, the supplier may use his own or any other facilities suitable for the performance of the inspection requirements specified herein, unless disapproved by the Government. right to perform any of the inspections set
16、forth in the specification where inspections are deemed necessary to assure supplies and services conform to the prescribed requirements. The Government reserves the 4.1.1 ResDonsibilitv for comriliance. All items shall meet all requirements of Sections 3 and 5. The inspections set forth in this spe
17、cification shall become a part of the contractors overall inspection system or quality program. of any inspection requirements in the specification shall not relieve the contractor of the responsibility of ensuring that all products or supplies submitted to the Government for acceptance comply with
18、all requirements of the contract. inspection, as part of manufacturing operations, is an acceptable practice to ascertain conformance to requirements; however, this does not authorize submission of known defective material, either indicated or actual, not does it commit the Government to accept defe
19、ctive material. The absence Sampling 4.2 Classification of insriections. The inspection requirements specified herein are classified as follows: a. First article inspection (see 4.4). b. Quality conformance inspection (see 4.5). 4.3 InsDection conditions. Unless otherwise specified, all inspections
20、shall be performed in accordance with the test conditions specified in 4.5 and 4.6. 4.4 First article sample insmction. Inspection and testing of the first article sample (see 3.2), shall be made of a completely finished backing plate for all provisions of this specification applicable to the end pr
21、oduct examination and tests. 4.5 Qu alitv conformance inswction. Inspection shall be in accordance with the provisions set forth in MIL-STD-105, except where otherwise indicated (see 6.2). 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-fi. MIL-B-4
22、3049D = 999990b 1490985 lb9 MIL-8-43049D 4.5.1 Inspection of comwnents. 4.5.1.1 Certification of comDliance. The plastic material may be accepted on the basis of the contractors certificate of compliance that the plastic material meets the requirements of 3.3.1. 4.5.2 InsDection of the end item. 4.5
23、.2.1 Visual examination of the backina Dla te. Examination shall be made at a distance of approximately 16 to 22 inches. The defects found during examination shall be classified in accordance with 4.5.2.1.1 and 4.5.2.1.2. The lots shall be inspected in accordance with 4.5.2.1.3. The unit of product
24、for the examinations in 4.5.2.1.1 and 4.5.2.1.2 shall be one completely finished backing plate. 4.5.2.1.1 Examination of backina Dlate for defects in color, finish. desian, construction and workmanshiD. Defects designated by an asterisk (*) shall be classified as major when seriously affecting appea
25、rance or serviceability and minor when affecting appearance or serviceability but not seriously. TABLE I. DEFECTS EXAMINE Color and finish I DEFECT Does not match standard sample or approximate FED-STD-595 Chip No. 15177 Not smooth. Not uniform shade Beveled section does not have a high uniform lust
26、er streak or speck clearly noticeable Any imbedded foreign matter Any crack, break, blister, lump, pit, crater, or other imperfection clearly noticeable 1 Any scratch on beveled surface . Any chip, nick, dent, dig, gouge, sink mark, I Discoloration such as burn, spot, stain, short, flash, fin, rough
27、ness or burr clearly noticeable Any warp, twist, unevenness or distortion Any hole not formed as indicated on drawing Knockout pin or breakoff mark located in areas visible when in actual use Not trimmed within 1/64 inch (0.04 cm) of adjacent areas Edge of hole not clean or not smooth, i.e., any bur
28、r or flash fin. Breakoff mark not neatly accomplished, i.e., sharp or rough projection which is clearly noticeable or could possibly abrade cloth material on which worn I CLASSIFICATION Maior i*i Minor Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
29、MIL-B-43049D m 9999906 L49098b OT5 m MIL-B-43049D 4.5.2.1.2 Examination of the backina Dlate for defects in dimensions. Any dimension which is not within the specified tolerance shall be classified as a defect. cavity. The sample shall be one completely finished backing plate from each mold 4.5.2.1.
30、3 ZL. The inspection levels and the acceptable quality levels (AQLs) expressed in defects per hundred units shall be as follows: Inspect ion AQL Level Maior Total For defects applicable to 4.5.2.1.1 II (one class) 4.0 For defects applicable to 4.5.2.1.2 s-1 (one class) 4.0 4.5.3 Examination for coun
31、t of backina Dlates for intermediate containers. Backing plates packaged for shipment shall be examined to determine conformance with package markings and specified quantity. The sample unit for this examination shall be one box (intermediate container). The lot size shall be the number of intermedi
32、ate containers. Any box containing lese than the specified marked quantity of backing plates shall be classified as a defect. and the AQL shall be 4.0 defects per sample unit. The inspection level shall be S-2 4.5.4 Examination of preparation for delivery reuuirements. An examination shall be made t
33、o determine that packaging, packing and marking requirements of Section 5 of this specification are complied with. Defects shall be scored in accordance with the list below. The sample unit shall be one shipping container fully prepared for delivery with the exception that it need not be sealed. Def
34、ects of closure listed below shall be examined on shipping containers fully prepared for delivery. inspection lot. The inspection level shall be S-2 and the AQL shall be 4.0 defects per hundred units. The lot size shall be the nqunber of shipping containers in the end item EXAMINE DEFECT Marking (ex
35、terior Omitted, incorrect, illegible, or improper size, location, and interior) sequence or method of application. Material s Workmanship Any component missing. Any component damaged affecting serviceability. Inadequate application of components, such as incomplete closure of container flaps, loose
36、strapping or taping, inadequate strapping. Bulging or distortion of containers. Content Number of intermediate packages is more or less than required. Weight let weight exceeds requirements 4.6 End item teatinq. Testing of the completely fabricated backing plates shall be performed in accordance wit
37、h Table I for the characteristics shown therein. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-43049D The sample unit shall be three completely fabricated backing plates of each type. One determination per sample unit shall be performed for
38、 each characteristic. requirements are applicable to the individual unit. S-1 and AQL shall be 4.0 defects per hundred units. The The inspection level shall be 4.7 Tests. 4.7.1 Stability at hiah temperatures and humidity. The backing plate shall be tested in accordance with ASTM-D-756 and shall then
39、 be examined to determine compliance with 3.4.1. 4.7.2 Test for water abSOrDtiOn. The backing plate shall be tested in accordance with ASTM-D-570 and shall then be examined to determine compliance with 3.4.2. Dimensional changes in the backing plate shall not be considered and reported. 4.8 Packaain
40、a Insvection. The preservation, marking and marking shall be inspected to verify conformance to the requirements of Section 5. 5. PACKAGING 5.1 Preservation. Preservation shall be Level C or Commercial, as specified (see 6.2). 5.1.1 Level C. Backing plates of one type only shall be packaged to affor
41、d adequate protection against deterioration and damage during shipment from the supply source to the first receiving activity. the supplier may use his own standard practice when it meets these requirements. 5.1.2 Commercial. Backing plates packaged as specified in 5.1 shall be packed in accordance
42、with the applicable requirements of ASTM-D-3951. 5.2 Packinq. Packing shall be Level C or Commercial as specified (see 6.2). 5.2.1 Level C. Backing plates of one type only shall be packed in a manner to insure carrier acceptance and safe delivery to destination at the lowest transportation rates for
43、 such supplies. Containers shall be in accordance with the rules and regulations of carriers applicable to the mode of transportation. 5.2.2 Commercial. Backing plates packaged as specified in 5.1 shall be packed in accordance with the applicable requirements of ASTM-D-3951. 5.3 Palletization. Uniti
44、zed loads, commensurate with the level of packing specified in the contract or order, shall be palletized on a 4-way entry pallet in accordance with load type 1A of MIL-STD-147. primary and secondary straps in accordance with bonding means C, K and L or O or P. Pallet pattern shall be in accordance
45、with the appendix of MIL-STD-147. The pallet shall be 4-way, Type I, Class 1, Style 1, Size A, Wood Group I, II, III or IV of MIL-P-15011, or, 4-way, Type IV, V or VIII, Class 1, Style A, Size 2, Wood Group I, II, III or IV, Grade A of NN-P-71. Interlocking of loads shall be effected by reversing th
46、e pattern of each course. If the container is of a size which does not conform to any of the patterns specified in MIL-STD-147, the pallet pattern used shall be approved by the contracting officer. Each prepared load shall be bonded with 7 Provided by IHSNot for ResaleNo reproduction or networking p
47、ermitted without license from IHS-,-,-5.4 Marking. In addition to any special marking required by the contract or order, interior packages and shipping containers shall be marked in accordance with MIL-STD-129. 5.5 Packauinu inswction. The inspection of these packaging requitementa shall be in accor
48、dance with 4.8. 6. NOTES (This section contains information of a general or explanatory nature that may be helpful, but is not mandatory.) 6.1 Intended use. The Type I and Type II backing plates covered by this specification are intended for the use of enlisted infantry personnel to mount their cap
49、anti branch of service insignia. 6.2 AcNiaition. Acquisition documents should specify the following: a. Title, number and date of this specification. b. Issue of DODISS to be cited in the solicitation, and if required, the specific issue of individual documents referenced (see 2.1). c. When a first article is not required (see 3.1). d. Whether a standard sample ia to be furnished (see 3.2). e. Drawing (see 2.1.2 and 3.4). f. Selection of applicable levels of pa
