NAVY A-A-59473-1999 CURTAIN TRACK AND SUSPENSION SYSTEM BERTH (NAVAL SHIPBOARD) [Superseded NAVY DOD-C-24556 CANC NOTICE 2 NAVY DOD-C-24556 VALID NOTICE 1 NAVY DOD-C-24556 (2) NAVY.pdf
《NAVY A-A-59473-1999 CURTAIN TRACK AND SUSPENSION SYSTEM BERTH (NAVAL SHIPBOARD) [Superseded NAVY DOD-C-24556 CANC NOTICE 2 NAVY DOD-C-24556 VALID NOTICE 1 NAVY DOD-C-24556 (2) NAVY.pdf》由会员分享,可在线阅读,更多相关《NAVY A-A-59473-1999 CURTAIN TRACK AND SUSPENSION SYSTEM BERTH (NAVAL SHIPBOARD) [Superseded NAVY DOD-C-24556 CANC NOTICE 2 NAVY DOD-C-24556 VALID NOTICE 1 NAVY DOD-C-24556 (2) NAVY.pdf(5页珍藏版)》请在麦多课文档分享上搜索。
1、IMETRIC I 23 June 1999 A-A-5 94 7 3 SUPERSEDING DOD-C-24556 12 December 1977 COMMERCIAL ITEM DESCRIPTION CURTAIN, TRACK, AND SUSPENSION SYSTEM, BERTH (NAVAL SHIPBOARD) The General Services Administration has authorized the use of this commercial item description for all federal agencies. 1. SCOPE Th
2、is commercial item description (CID) covers a fire-resistant, shrink- resistant, woven-fiber berth curtain and associated fittings for Naval shipboard use. 2. CLASSIFICATION Type 1: Heavyweight, pleated Type 2: Lightweight, pleated Type 3: Lightweight, unpleated 3. SALIENT CHARACTERISTICS 3.1 Design
3、 and construction. The type 1 curtain shall be fabricated from not less than 210 g per sq m (7.5 oz per sq yd) of material. The type 2 and type 3 curtains shall be fabricated from not less than 140 g per sq m (5 oz per sq yd) of material. The curtain cloth shall be opaque woven material and shall me
4、et the fire retardance and optical smoke density requirements of MIL-STD- 1623. 3.1.2 Pleating. All pleating and spacing shall be such that there will be an equal size pleat of 50 mm, using 100 mm of fabric and the spacing between pleats shall be equal. Beneficial comments, recommendations, addition
5、s, deletions, clarifications, etc., and any other data which may improve this document should be sent to: Commander, Naval Sea Systems Command, 2531 Jefferson Davis Highway, Arlington, VA 22242-5160. AMSC NJA FSC 7230 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.
6、Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-5 94 7 3 3.1.3 Curtain track. The track shall be in accordance with ASTM B221-96 and shall be extruded anodized aluminum alloy 6000 series T-5, section size 9.5 mm by 9.5 mm with 19 mm flange, not g
7、reater than 1.5 mm wall thickness, and shall be constructed in one continuous length as shown on Figure 1. The aperture for inserting and removing slider tape shall be milled in the face of the track side facing the flange, 100 mm from either the right or the left end of the track. The aperture shal
8、l be a 17 mm long by 4 mm high elongated slot joined to the track raceway by a 4 mm slotted groove inclined at 22“ to the horizontal face of the track. Each curtain track shall be provided with end stops to prevent the carriers from running off the end of the track. For the carrier tape and suspensi
9、on tabs the individually covered tabs shall be spaced at 125 mm centers along a continuous running cotton tape and sewn to the back of the curtain to coincide with the pleats. The slider tape shall be sewn to the back of the curtain so that the tops of the tabs are 11 mm below the top edge of the be
10、rth curtain. Each slider tape shall then in turn be inserted through the aperture opening. The carrier tape shall be sewn to the inside of the curtain so that the top of the curtain hangs 3 mm below the top of the curtain track. Length of the curtain track shall be specified in ordering data (see 7.
11、1). EXTRUDED ALUMINUM CURTAIN TRACK- L 9.5 t mm L. L 3.5 mm 9.5 mm CARRIER TAPE INSERT APERTURE FIGURE 1. Curtain track and suspension system 3.2 General requirements. 3.2.1 Curtain size. Curtain size shall be specified in ordering data (see 7.1). 3.2.2 Stitching. Stitching shall run to the edge of
12、the seam but not run off. 3.2.3 Edgelocking. Cut fabric edges (excluding selvage edges which are locked), shall be edgelocked by means of overedging prior to seam construction. 3.2.4 Sewing machine tension. The machine tension shall be set to provide a balanced stitch with a fabric take-up of not gr
13、eater than .5 mm per 100 mm. Adequate tension shall be verified by grasping a sample seam and pulling on each side. An opening of the seam indicates insufficient tension. Knotting is also an indication of insufficient tension. 3.2.5 Colorfastness. The colorfastness of the cloth to light, wet and dry
14、 crocking, heat aging and laundering shall be in accordance with the following. 3.2.5.1 Light. The color shall be in accordance with AATCC standard gray scale class 4 or better colorfastness to light after 20.0 standard fading hours. 2 Provided by IHSNot for ResaleNo reproduction or networking permi
15、tted without license from IHS-,-,-A-A-5 94 7 3 3.2.5.2 Crocking, wet and dry. The cloth shall be in accordance with AATCC standard color transference chart with a numerical rating of 3.0 or better using white crock cloth. 3.2.5.3 Heat aging. The cloth shall be in accordance with AATCC standard gray
16、class 4 or better colorfastness to heat after 7 days of exposure. 3.2.5.4 Laundering. The cloth shall be in accordance with AATCC standard gray scale for evaluating change in color. The cloth shall show not less than class 3.5 or better colorfastness to laundering. 3.3 Materials. 3.3.1 Prohibited fi
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