1、MIL-B-438libH 84 777770b 0423778 8 m 11 NCH- POUNDI MIL-B-418 16H SUPERSEDING MIL-E-41816G 30 June 1988 3 April i990 3lILITARY SPECIFICATION BOOTS, COLD WEATHER, INSULATED, RUBBER (WET-COLD: DRY-EXTREME COLD) This specification is approved for use by all Departments and Agencies of the Department of
2、 Defense. 1. SCOPE 1.1 Scope. This specification covers both black and white insulated rubber boots. The black boot is for wear in cold, wet climates. The white boot is for wear in extreme cold, dry climates. 1.2 Classification. The boots shall be of the following types, classes, and sizes. as speci
3、fied (see 6.2). Type I - Boot, wet-cold (black) Class 1 - Rigid sole Class 2 - Flexible sole Class 3 - Flexible sole with safety toe Class 1 - Deleted (see 6.9) Class 2 - Vapor barrier, polyurethane injected sole Type II - Boot, dry-extreme cold (white) t t Beneficial comments (recominendations, add
4、itions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: U.S. Army Natick Research, Development, and Engineering Center, Natick, MA 01760-5014 by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at
5、 the end of this document or by letter. AMSC N/A FSC 8430 DISTRIBUTION STATEMENT A. -4pproved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-4LBlbH 84 W 77779Ob 0423997 T W MIL-B-418 16H TABLE I.
6、Schedule of sizes Width 345 6789 10 11 12 13 14 XN -xxxx xx X X X X X N xxxxx xx X X X X X R xxx xx xx X X X X X W xxxxx xx X X X X X xw xxxxx xx X X X X X 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications, standards, and handbooks. The following specifications, standards, and h
7、andbooks form a part of this Specification to the extent specified herein. Unless otherwise specified, the issues of these documents shall be those listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation. SPECI
8、FICATIONS FEDERAL A-A-203 C-F-206 V-L-6 1 ccc-c-429 CCC-C-446 MMM-A- 188 PPP-B-636 MI LI TARY MIL-C-7219 MIL-C-17238 MIL-L-35078 STANDARDS FEDERAL FED-STD-191 FED-STD-595 - Paper, Kraft, Untreated - Felt Sheet: Cloth, Felt, Wool, Pressed - Laces, Nylon - Cloth, Osnaburg, Cotton - Cloth, Muslin, Cott
9、on - Adhesive; Urea-Resin-Type (Liquid and Powder) - Boxes, Shipping, Fiberboard - Cloth, Duck, Nylon - Cloth, Knitted, Wool and Cotton Fleece - Loads, Unit: Preparation of Semiperishable Subsistence Items; Clothing, Personal Equipment and Equipage; General Specification for - Textile Test Methods -
10、 Colors 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-B-LILBLhH 84 U 7977706 0422000 O MIL-B-41816H MILITARY MIL-STD-105 - Sampling Procedures and Tables for Inspection by MIL-STD-129 - Marking for Shipment and Storage MIL-STD-147 - Palletiz
11、ed unit Loads MIL-STD-284 - Visual Inspection Guide for Rubber Footwear MIL-STD-731 - Quality of Wood Members for Containers and Pallets Attributes (Unless otherwise indicated, copies of federal and military specifications, standards, and handbooks are available from the Standardization Documents Or
12、der Desk., Eldg. 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.) 2.1.2 Other Government 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 issue
13、s are those cited in the solicitation. U.S. -DEPARTMENT OF COMMERCE Commercial Standard 35-61 -.Hardwood Plywood (Copies are available from the Superintendent of Documents, U.S. Government Printing Office, Washington, DC 20402.) 2.2 Non-Government publications. The following documents form a part of
14、 this document to the extent specified herein. Unless otherwise specified, the issues of the documents which are DOD adopted are those listed in the issue of the DODISS cited in the solicitation. Unless otherwise specified, the issues of documents not listed in the DODISS are the issues of the docum
15、ents cited in the solicitation (see 6.2). B AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) C 177 - D 297 - D 412 - D 573 - D 746 - D 792 - D 1044 - D 1630 - D 2240 - D 3951 - Steady-State Thermal Transmission Properties by Means Method for Rubber Products - Chemical Analysis Rubber Properties in
16、Tension Rubber-Deterioration in an Air Oven Test Method for Brittle.ness Temperature of Plastics .and Elastomers by Impact Specific Gravity and Density of Plastics by D is p lacemen t Initial Tear Resistance of Plastic Film and Sheeting Rubber Property-Abrasion Resistance (NBS Abrader) Rubber Proper
17、ty-Durometer Hardness Standard Practice for Commercial Packaging of the Guarded Hot Plate 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- -_r. NIL-B-4LLbH 84 S 9797906 O422003 2 MI L-E-4 18 16H D 4066 - Iiylon Injection and Extrusion Materials E 1
18、8 - Rockwell Hardness and Rockwell Superficial Hardness of Metallic Materials (Copies may be obtained from the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103.) AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI) 241.1 American National Standard for Mens Safety Toe-Foot
19、wear (Copies may be obtained from the American National Standards Institute, Inc., 1430 Broadway, New York, NY 10018.) (Non-Government standards and other publications are normally available from the organizations that prepare or distribute the documents. These documents also may be available in or
20、through libraries or other informational services.) I 2.3 Order of precedence, In the event of a conflict between the text of this document and the references cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unles
21、s a specific exemption has been obtained. 3. REQUIREMENTS 3.1 -First article. When specified (see 6.2), a sample shall be subjected to first article inspection (see 6.3) in accordance with 4.3. 3.2 Guide sample, Samples, when furnished, are solely for guidance and information to the contractor (see
22、6.4), Variation from this specification may appear in the sample, in which case this specification shall govern. 3.3 Material. All cloth to be coated except the felt component (see 3.3.6) shall contain not more than 0.003 percent copper when tested as specified in 4.4.1.1. All cloth to be coated exc
23、ept the felt component (see 3.3.6) and the nylon tricot (see 3.3.3) shall contain not more than 0.0015 percent manganese when tested as specified in 4.4.1. It is encouraged that recycled material be used when practical as long as it meets the requirements of this specification. 3.3.1 Cloth, muslin,
24、cotton. The cotton muslin cloth shall conform to type I, class 1 of CCC-C-446 except that the requirements for shrinkage shall not apply . 3.3.1.1 Cloth, bootleg duck. Bootleg duck shall be a minimum of 7.2 ounces per square yard, nominal 26 by 21, plain weave, coating quality, cotton. 3.3.2 Cloth,
25、osnaburg, cotton. All cotton osnaburg cloth shall conform to type II, class 3 or 5 of CCC-C-429, On the type I boots the osnaburg cloth for the eyelet stay form and the outer eyelet stay shall be dyed black. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IH
26、S-,-,-XIL-6-41816H 3.3.3 Cloth, nylon tricot. The nylon tricot shall be made from continuous filament 40 .+ 2 denier, 13 filament, bright yarn. The color shall be natural D (undyed). The finished cloth shall be a 2-bar jersey tricot construction . conforming to the requirements of table II when test
27、ed as specified in 4.4.1.1. TABLE II. Requirements for nylon tricot Minimum Maximum Weight oz. per sq. yd. 3.3 Wales per inch 50 Courses per inch 50 Bursting strength, pounds 90.0 Elongation cour sew is e, percent 120 60 60 150 - 3.3.3.1 Finish (nylon tricot cloth). The cloth shall be thoroughly sco
28、ured and heat set. Both vertical edges of each piece of cloth shall be gumed with liquid nylon. or equal, 5/8 - + 1/8 inch in width. 3.3.4 CloEh, nylon, knitted. The circular knitted nylon cloth shall be made from continuous filament 70 -+ 2 denier, 34 filament, bright yarn. The color shall be black
29、 for the type boot lace chafing strip and hinge upper stay, and natural for the type II boot lace chafing strip, hinge upper stay, and all nylon inner linings. The finished cloth shall be circular knitted with two ends of the 70 + 2 denier yarn knitting as a single end and shall conform to the requi
30、rements of table III when tested as specified in 4.4.1.1. D TABLE III. Requirements for knitted nylon cloth Knitted stitch Weight, oz. per sq. yd., minimum Wales per inch, minimum Courses per inch, minimum Bursting strength, pounds, minimum 1 by 1 rib 3.8 21 30 125 (double thread rib) 3.3.4.1 Finish
31、 (nylon knitted cloth). The cloth shall be thoroughly scoured, split and finished to the full open flat width. 3.3.5 Cloth, knitted, wool and cotton fleece. The fleece cloth shall conform to the requirements of MIL-C-17238. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted witho
32、ut license from IHS-,-,-MIL-E-4 18 16H 3.3.5.1 Insulation, foam. Insulation for the type II, class 2 boot shall be composed of polyurethane foam, 1.55 pounds per cubic foot, needlepunched on one side with a 3 and 4 denier polyester fiber and coated on the other side with a polyurethane film 1 mil th
33、ick. The composite shall meet the requirements of table IV. TABLE IV. Requirements for foam insulation Weight (compos i te) Thickness - uncompressed Thermal res is tance (R value) (BTU/HR FT2 degrees F) Needlepunched fiber Coating on foam sicie - compressed 10.42 (2 0.50) oz/yd2 7/64 2 1/64 inch 5/6
34、4 2 1/32 inch . 0,9646 Polyester Polyurethane 3.3.6 Felt, pressed. The felt used in the boots shall be type I, classification number 9R3 for the toe cap and type I, classification number 12R3 for the midsole, conforming to C-F-206 (see 3.6.13 and 3.6.14 for thickness required), 3.3.7 Cloth, nylon tw
35、ill. The cloth for the inner eyelet stays shall be either a 2/2 twill made of high tenacity, continuous filament, 210 + 2 denier, bright yarn, conforming to the requirements of table V, when tested-as specified in 4.4.1.1 or a nylon duck cloth conforming to type III, class I of MIL-C-7219. The color
36、 shall be white or natural. TABLE V. Requirements for nylon woven cloth Minimum Maximum Weight, oz. per sq. yd. 4.70 5.10 Picks per inch 74 80 Breaking strength, pounds: Ends per inch 73 79 - Warp 325 Filling 330 - 3.3.8 Rubber and polyurethane compounds. 3.3.8.1 Upper rubber compounds. The rubber l
37、atex and calender compounds for the uppers shall conform to the requirements in table VI when tested as specified in 4.4.1.1. After accelerated aging in an air oven for 16 hours minimum at 212 + 2 degrees F, each upper compound shall retain not less than 75 percent of its original tensile strength a
38、nd ultimate elongation when tested as specified in 4.4.1.1. The upper compounds shall meet the requirements for brittleness when tested as specified in 4.4.1.1. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-4LLbH 4 9 3777706 0422004 4 9 MIL
39、-B-418 16H TABLE VI. Upper rubber compound requirements Tens i le strength, Ultimate mi n imum, elongation, Co lor psi pe r ce n t (mi II j Type I, classes 1, 2 and 3 Latex compound Black i/ 2500 5 O0 Calendered compound Black i/ - 1700 450 Latex compound White 2500 500 Calendered compound White 150
40、0 450 Type II - i/ Except that the toe cap color shall be white (see 3.3.15). 3.3.8.2 Outsole and heel rubber compounds. The oiitsole and heel rubber compounds shall conform to the requirements in table VI1 when tested as specified in 4.4.1.1. .After accelerated aging in an air oven for 16 hours min
41、imum at 212 + 2 degrees F, each compound shall have an abrasive index of not less than 75 percent of its abrasive index before aging when tested as specified in 4.4.1.1. Each compound shall meet the requirements for brittleness when tested as specified in 4.4.1.1. TABLE VII. Outsole and heel rubber
42、compound requirements Specific Abras ive gravity , index, Color maximum minimum Hardness (units) Type I, class 1: Outs o 1 e Black 1.2 80 60 + 5 Heel Black 1.2 80 70 7 5 Type I, classes 2 and 3 Buff 1.1 50 45 7 5 45 7 5 - Type II White 1.2 50 3.38.3 Midsole, outsole, and heel polyurethane components
43、. The polyurethane components shall conform to the requirements in table VI11 when tested as specified in 4.4.1.1. After accelerated aging for 7 days at 70 degrees C and 100 percent relative humidity and then conditioning for 24 hours at 25 degrees C and 50 percent relative humidity, each component
44、shall retain at least 80 percent of its original tensile strength when tested as specified ir! 4.4.1.1. 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-41816H TABLE VIII. Polyurethane components requirements Polyurethane Midsole: Density . Ha
45、rdness, Shore A . Tear strength . Tensile strength Elongation Modulus at -30% of the Ross-flex, 1/4 inch panel, expanded material and the solid material (at -2OOF) 25 to 31 pounds per 40 to 45 85 to 95 pounds 550 to 650 psi 390 to 430 percent 14,000 psi, maximum cubic foot O percent cut growth at 10
46、,000 cycles Polyurethane outsole and heel: Density . 62.4 pounds per cubic foot, minimum Tear strength . 180 pounds, minimum Tensile strength 1200 to 1600 psi Elongation 450 to 650 percent Ross-flex (at -2O0F) Not less than 900 percent cut growth Hardness, Shore A . 1, 52 to 57 at 50,000 cycles 3.3.
47、8.4 Ski strap shelf compound. The rubber compound for the ski strap shelf shall have a hardness requirement of 60 - + 5 units when tested as specified in 4.4.1.1. 3.3.9. Wood shank unit. The shank length and shank size schedule shall be as specified in tables IX and X. The wood shank shall be of ply
48、wood molded at the time of gluing to fit the profile of the last bottom from heel to designated ball area. The plywood unit shall be constructed from three plies of veneer. The core, or inside ply, shall run at right angle to the outer plies and shall extend to between 7/8 and 1 inch from the front
49、edge. shall be inserted in the curve portion of the shank between the top veneer and the core. The grain direction of the mahogany shall be parallel to the veneer core. thickness. The plies shall be grade 1, except that the core ply may be grade 2, as defined in Commercial Standard 35-61, The face and back veneers shall have smooth surfaces. The assembled shank thickness shall be 0.100 to 0.125 inch when measured in the
