ARMY A-A-50063 B-1991 BOOTS KNEE AND HIP (RUBBER)《长至臀部和膝部高筒靴(橡胶)》.pdf
《ARMY A-A-50063 B-1991 BOOTS KNEE AND HIP (RUBBER)《长至臀部和膝部高筒靴(橡胶)》.pdf》由会员分享,可在线阅读,更多相关《ARMY A-A-50063 B-1991 BOOTS KNEE AND HIP (RUBBER)《长至臀部和膝部高筒靴(橡胶)》.pdf(5页珍藏版)》请在麦多课文档分享上搜索。
1、A-A-50063B B4 ei 9999974 0059930 4 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. I 1 I I INCH-POUND I A-A-50063B January 14, 1991 SUPERSEDING A-A-50063A July 31, 1987 COMMERCIAL ITEM DESCRIPTION BOOTS, KNEE AND HIP (RUBBER) The General Services Administration has
2、authorized the use of this commercial item description in preference to Federal Specificatioc ZZ-B-530. 1. CLASSIFICATION 1.1 Classification. This commercial item description covers rubber boots in whole sizes 5 through 15 in the following types: Type I - Knee length Type II - Hip length 2. SALIENT
3、CHARACTERISTICS 2.1 Description. The boots shall be heavy duty vulcanized rubber boots made over the manufacturers regular boot lasts using rubber and rubber/cotton cloth parts in accordance with the manufacturers standard practice. TvDe II boots - shall have an adjustable top strap and knee patch.
4、2.2 Dimensions. For type I boots, the height (inside) at the back and front shall be not less than 14-1/2 inches. (inside) shall be not less than 34 inches and the crotch height (inside) shall be not less than 29 inches. boot at the crotch shall not be less than 23 inches. The circumference at the c
5、alf of the type I and II boot lasts shall be not less than 16 inches for sizes 5, 6, and 7; 16-1/2 inches for sizes 8 and 9; 17 inches for sizes 10 and 11; and 18 inches for sizes 12 through 15, For type II boots, the extreme height The girth measured around the inside of the type II Beneficial comm
6、ents, recommendations, additions, deletions, clarifications, etc. and any data which may improve this document should be sent to: Commander, U.S. Army Natick Research, Development, and Engineering Center, ATTN: STRNC-ES, Natick, MA 01760-5014, 1 AMSC N/A FSC 8430 Provided by IHSNot for ResaleNo repr
7、oduction or networking permitted without license from IHS-,-,-A-A-500b3B 84 9999974 0059731 b A-A-50063B 2.3 Rubber/cotton parts. shall be frictioned, calendar coated, or spread and calendar coated with rubber compound as necessary to prepare the parts such as leg linings, toe linings, vamp forms, a
8、nd reinforcement strips necessary to build a boot. The cotton cloth shall be either woven or knitted and 2,: Rubber parts. The rubber parts shall be made from upper compound or outsole and heel compound. The leg cover rubber shall be calendered from upper compound and shall be a minimum of 0.025 inc
9、h thick, Other gum rubber upper parts such as vamp, counter, and reinforcement strips shall be of appropriate thickness for the intended use. The outsole shall be cleated or heavily knurled and shall be a minimum of 0.285 inch at the ball, The heel shall be a minimum of 9/16 inch at the thinnest par
10、t and shall carry the manufacturers standard tread design. The rubber parts shall conform to the following requirements: Compound Characteristic Upper compound Tensile strength: - initial - after aging (7 days at 158OF) Elongation: - initial - after aging (7 days at 158OF) Ozone resistance (bent loo
11、p - 3 days, 50 pphm at 104OF) Outsole and Abras ive index heel compound (before and after aging - 7 days at 1580F) Hardness (before and after aging) Requirement 1000 psi (min) At least 75 percent of initial tensile streng th 375 percent (min) At least 75 percent of initial elongation No cracks visib
12、le to the unaided eye 35 60 2 10 Test method (ASTM) D 412 D 573 and D 412 D 412 D 573 and D 412 D 518 Procedure B D 1149 D 1630 D 2240 2.5 Top strap assembly (type 11). The strap shall be either a double cotton cloth frictioned on both sides and coated with upper compound or a rubber strap not less
13、than 0,090 inch thick. The strap shall be not less than 9-1/2 inches long and 5/8 inch wide. The loop at the top of the strap shall be large enough to permit easy passage and secure holding over a 2-inch belt. The strap buckle shall be made of brass, aluminum, or steel, and shall be of the slide typ
14、e suitable for the intended purpose, Brass buckles shall be nickel plated; aluminum buckles shall be anodized with a coat of black enamel; and steel buckles shall be either nickel plated or have baked enamel finish. The strap slot shall be not less than 5/8 inch wide and the stay slot shall be not l
15、ess than 7/16 inch wide. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-50063B 4 m 9399974 0059932 A-A- 5 O U6 3 B 2.6 Knee patch (type 11). than 60 square inches, placed to prevent chafing. The boot upper shall have a knee patch of not less 2
16、.7 Color and finish. The boots should be black in color, although other colors may be specified (see 5.21, and have a natural heater or dull lacquer finish. 2.8 Vulcanization. watertight compact unit. The boots shall be vulcanized under pressure to insure a 2.9 Leakage. The boots shall show no evide
17、nce of leakage when subjected to compressed air at 1 pound per square inch pressure while immersed in a tank of water to within 3 inches of the top of the boot. 2.10 Marking. outsole in the shank, or a manufacturers label shall be used. The size shall be legibly incised on the outsole in the shank,
18、or the size may be incised on a label and the label permanently vulcanized to the boot. The manufacturers name or trademark shall be embossed on the 3, QUALITY ASSURANCE 3.1 Certification. The contractor shall certify and maintain substantiating evidence that the product offered meets the salient ch
- 1.请仔细阅读文档,确保文档完整性,对于不预览、不比对内容而直接下载带来的问题本站不予受理。
- 2.下载的文档,不会出现我们的网址水印。
- 3、该文档所得收入(下载+内容+预览)归上传者、原创作者;如果您是本文档原作者,请点此认领!既往收益都归您。
下载文档到电脑,查找使用更方便
10000 积分 0人已下载
下载 | 加入VIP,交流精品资源 |
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- ARMYAA50063B1991BOOTSKNEEANDHIPRUBBER 臀部 膝部 高筒靴 橡胶 PDF

链接地址:http://www.mydoc123.com/p-439761.html