DLA A-A-55316-1998 COVERALLS UTILITY [Superseded DLA MIL-C-31003 CANC NOTICE 1 DLA MIL-C-31003]《有效工作服[取代 DLA MIL-C-31003 CANC NOTICE 1 DLA MIL-C-31003]》.pdf
《DLA A-A-55316-1998 COVERALLS UTILITY [Superseded DLA MIL-C-31003 CANC NOTICE 1 DLA MIL-C-31003]《有效工作服[取代 DLA MIL-C-31003 CANC NOTICE 1 DLA MIL-C-31003]》.pdf》由会员分享,可在线阅读,更多相关《DLA A-A-55316-1998 COVERALLS UTILITY [Superseded DLA MIL-C-31003 CANC NOTICE 1 DLA MIL-C-31003]《有效工作服[取代 DLA MIL-C-31003 CANC NOTICE 1 DLA MIL-C-31003]》.pdf(6页珍藏版)》请在麦多课文档分享上搜索。
1、o A-A-5533 b m 9999974 03770bO OBT m I INCH-POUND I A-A-55316 MARCH 2.1998 SUPERSEDING 4 JANUARY 1993 MIL-C-31003 COMMERCIAL ITEM DESCRIPTION COVERALLS, UTILITY The General Services Administration has authorized the use of this commercial item description in preference to MIL-C-3 1003. 1. SCOPE. Thi
2、s commercial item description covers the requirements for a general purpose utility coverall for all the services. 2. CLASSIFICATIONS. The coveralls shall be of one type in the following sizes: XX-Small, X-Small, Small, Medium, Large, X-Large, XX-Large. 3. SALIENT CHARACTERISTICS 3.1 Descrbtion. The
3、 coveralls shall have a slide fastener front closure with protective fly, shirt style collar, hanger loop with a 2 to 2-1/2 inch free opening, and elastic webbing in the back belt. The wrists and ankles shall have hook and pile fastener tape adjustments. The coveralls shall have two front patch pock
4、ets with hook and pile fastener tape and double piped pass throughs, two hip patch pockets with flaps and hook and pile fastener tape, and two breast pockets with flaps and hook and pile fastener tape. The left breast pocket flap shall have a pencil opening. 3.2 Stitching. All stitching shall be 10
5、to 14 stitches per inch. The collar shall be top stitched 3/16 to 1/4 inch from the edge. All edges shall be overedged or otherwise clean finished. Bartacking shall be 3/8 distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- A-
6、A-553Lb m 9999974 OL770bL TLb m Test Requirement Test method Weight Breaking strength 100 lbs warp direction ASTM D5034-95 8.0 to 9.0 oz per square yard ASTM D3776-85 Opt C . (min) 80 lbs filling direction Dimensional change 2% max. in either warp and filling direction AATCC 96-1995 Opt 1C I Colorfa
7、stness to Laundering Light A-A-5531 6 4 mininum 4 mininum 3.3 Materials 3.3. i Basic material. The fibers shall be made from cotton or fibers with equivalent comparable properties which have been spun into singles yarn. The material for the coverall shall be a 5 harness sateen cloth for uniformity,
8、color as specified in the contract or order. The use of dyes or substances containing elementary sulfur compounds capable of oxidation to sulfuric acid is prohibited. The contractor shall submit a certificate of compliance for this requirement. The filling effect side of the cloth shall be the face
9、side. The material shall meet the following requirements: TABLE I - PHYSICAL REOUIREMENTS AATCC 61-test 3A-1994 AATCC 16 Opt A-1993 2/ Crocking I 4mininum I AATCC 8-1995 - 1/ Sample size shall be 22 by 22 inches with 18 inch benchmarks, 6 inches apart. - 2/ Use Drying procedure (D) or samples may be
10、 dried using a thermostatically controlled circulating oven 2210 -2300 F until dried. The sample shall be allowed to cool for 5 minutes, sprinkled with water to permit damp pressing, and allowed to stand in this condition for 5 minutes. The dampened specimen shall be pressed with a flatbed press or
11、a hand iron. Section 7.4 of AATCC 96 shall not apply. - 3/ When a color change equal to Step 4 on the Gray scale is evident in either sample being evaluated or the standard sample, exposure shall be continued for an additional number of hours equal to the number of hours at which the color change is
12、 apparent. Specimens which do not show a color change until 80 AF“s shall be returned to the machine for a total exposure period not to exceed 140 hours. 3.3.2 Thread. The thread for seaming and stitching shall be cotton covered polyester core, 2 ply, ticket No. 50, or a commercially equivalent thre
13、ad with a minimum breaking strength of 3.2 pounds or ticket no. 70 with a minimum breaking strength of 2.6 pounds when tested in accordance with ASTM-D-2256. The color shall approximate the shade of the basic material, and shall show colorfastness to crocking, laundering, perspiration and light equa
14、l to the requirements and test methods for the basic material in Table I. 3.3.3 Elastic webbing. The webbing shall be made with a heat resistant rubber thread. The 1-112 inches wide webbing shall have a thickness range of .O3 - .O6 inches and a maximum weight of 1.2 oz. per linear yard when tested i
15、n accordance with ASTM-D-3776, option D. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-5533b m 9999974 O377062 952 m A-A-55316 The drift of the load on the webbing, elongated and maintained at 50% elongation using a 4 to 7.5 pound weight for
16、4 hours, shall be not more than 20% (the webbing is elongated to 50% of its total elongation, held in that position for 4 hours and the amount of change is recorded). After the webbing has been elongated and maintained at 50% elongation for 10 minutes and then allowed to relax for 10 minutes, the we
17、bbing tension (change in length of the sample) shall be not more than 5%. 3.3.4 Slide fastener. The nonseparating, nonreversible, size 5-7 slide fastener without automatic pin or cam, shall be individual element molded plastic with a bridge top stop and bridge bottom stop. Pre-assembled or continuou
18、s chain application may be used. The color of the plastic components shall approximately match the basic material. The tape shall be 100% textured polyester. The length of the slide fastener shall fit the front opening shown on patterns. The color of the tape shall approximately match the basic mate
19、rial. The crosswise breaking strength of the chain shall be 110 pounds per minute when tested in accordance with ASTM D 2061. The fastener chain shall be tested for endurance meeting a minimum endurance of lo00 cycles when tested using a endurance testing machine such as a British Standard Reciproca
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